1. Main Technical Parameters: (1). Model: WT 4 1/2-6. Drill Collar O.D. (in): 4 1/2-6. Drill Collar O.D. (mm): 114.3-152.4. Weight (kg): 49. Weight (lb): 108. Use in Insert Bowl No.: API or No. 3. Max Load: 40 short tons. (2). Model: WT 5 1/2-7. Drill Collar O.D. (in): 5 1/2-7. Drill Collar O.D. (mm): 139.7-177.8. Weight (kg): 46. Weight (lb): 101. Use in Insert Bowl No.: API or No. 3. Max Load: 40 short tons. (3). Model: WT 6 3/4-8 1/4. Drill Collar O.D. (in): 6 3/4-8 1/4. Drill Collar O.D. (mm): 171.4-209.6. Weight (kg): 42. Weight (lb): 92. Use in Insert Bowl No.: API or No. 3. Max Load: 40 short tons. (4). Model: WT 8-9 1/2. Drill Collar O.D. (in): 8-9 1/2. Drill Collar O.D. (mm): 203.2-241.3. Weight (kg): 39. Weight (lb): 86. Use in Insert Bowl No.: API or No. 3. Max Load: 40 short tons. 2. Product Description: Drill Collar Slips are specially developed to handle drill collars during well drilling. Drill Collar Slips Type WT can accommodate drill collars from 4 1/2 in (114.3 mm) to 9 1/2 in (241.3 mm) O.D.. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment. 3. Features: (1). Multi-segments design make it possible to handle different size drill collars by adjusting the quantity of inserts or slip body. (2). 100% customer satisfaction for quality and reliability. (3). After machining all slips undergo 100% inspection. (4). Different types for clients choice for different depth well and different size drill pipe. 4. Material: Carbon Steel. 5. Processing Type: Forging. 6. Machine Type: Drilling Equipment. 7. Use: Well Drilling. 8. FAQ: Why you need to choose Lake Petro? As a professional oil and gas service company, Lake Petro has many good experience in selling and serves for the oilfield industries for years. Quality is the culture of the company, we provide API and BV certified products for customer. Can you make us the best quality products as well as a good price? Yes, we can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe. What is special compare with other companies? First, we provide the quality products, with BV and API certified; At the same time, we provide our customer with the best service after sale, any time any where.
1. Main Technical Parameters: (1). Model: DCS-S. Drill Collar O.D. (in): 3-4. Drill Collar O.D. (mm): 76.2-101.6. Weight (kg): 51. Weight (lb): 112. Use in Insert Bowl No.: API or No. 3. (2). Model: DCS-S. Drill Collar O.D. (in): 4-4 7/8. Drill Collar O.D. (mm): 101.6-123.8. Weight (kg): 47. Weight (lb): 103. Use in Insert Bowl No.: API or No. 3. (3). Model: DCS-R. Drill Collar O.D. (in): 4 1/2-6. Drill Collar O.D. (mm): 114.3-152.4. Weight (kg): 54. Weight (lb): 120. Use in Insert Bowl No.: API or No. 3. (4). Model: DCS-R. Drill Collar O.D. (in): 5 1/2-7. Drill Collar O.D. (mm): 139.7-177.8. Weight (kg): 51. Weight (lb): 112. Use in Insert Bowl No.: API or No. 3. (5). Model: DCS-L. Drill Collar O.D. (in): 6 3/4-8 1/4. Drill Collar O.D. (mm): 171.4-209.6. Weight (kg): 70. Weight (lb): 154. Use in Insert Bowl No.: API or No. 3. (6). Model: DCS-L. Drill Collar O.D. (in): 8-9 1/2. Drill Collar O.D. (mm): 203.2-241.3. Weight (kg): 78. Weight (lb): 173. Use in Insert Bowl No.: API or No. 3. (7). Model: DCS-L. Drill Collar O.D. (in): 8 1/2-10. Drill Collar O.D. (mm): 215.9-254. Weight (kg): 84. Weight (lb): 185. Use in Insert Bowl No.: No. 2. (8). Model: DCS-L. Drill Collar O.D. (in): 9 1/4-11 1/4. Drill Collar O.D. (mm): 235-285.7. Weight (kg): 90. Weight (lb): 198. Use in Insert Bowl No.: No. 2. (9). Model: DCS-L. Drill Collar O.D. (in): 11-12 3/4. Drill Collar O.D. (mm): 279.4-323.9. Weight (kg): 116. Weight (lb): 256. Use in Insert Bowl No.: No. 1. (10). Model: DCS-L. Drill Collar O.D. (in): 12-14. Drill Collar O.D. (mm): 304.8-355.6. Weight (kg): 107. Weight (lb): 237. Use in Insert Bowl No.: No. 1. 2. Product Description: Drill Collar Slips are specially developed to handle drill collars during well drilling. There are three types of DCS Drill Collar Slips: S, R, and L. They can accommodate drill collars from 3 in (76.2 mm) to 14 in (355.6 mm) O.D.. The handling sizes can be adjusted by changing the quantity of inserts or slip body. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment. 3. Features: (1). Multi-segments design make it possible to handle different size drill collars by adjusting the quantity of inserts or slip body. (2). 100% customer satisfaction for quality and reliability. (3). After machining all slips undergo 100% inspection. (4). Different types for clients choice for different depth well and different size drill pipe.
1. Main Technical Parameters: (1). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 3-4 1/2. Drill Collar O.D. (mm): 76.2-114.3. Use in Insert Bowl No.: API or No. 3. (2). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 3 1/4-4 3/4. Drill Collar O.D. (mm): 82.55-120.65. Use in Insert Bowl No.: API or No. 3. (3). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 4 1/4-5 3/4. Drill Collar O.D. (mm): 107.95-146.05. Use in Insert Bowl No.: API or No. 3. (4). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 5 1/2-7. Drill Collar O.D. (mm): 139.7-177.8. Use in Insert Bowl No.: API or No. 3. (5). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 6 3/4-8 1/4. Drill Collar O.D. (mm): 171.5-209.55. Use in Insert Bowl No.: API or No. 3. (6). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 8 1/4-10. Drill Collar O.D. (mm): 209.55-254. Use in Insert Bowl No.: No. 2. (7). Model: Drill Collar Slips Type A. Drill Collar O.D. (in): 10-11 3/4. Drill Collar O.D. (mm): 254-298.45. Use in Insert Bowl No.: No. 2. 2. Product Description: Drill Collar Slips are specially developed to handle drill collars during well drilling. Drill Collar Slips Type A are multi-segments slips. They can accommodate the changes of outer diameter after abrasion of drill collar. They are with light weight, large handling scale and reliable quality. This kind of slips are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment. 3. Features: (1). Multi-segments design make it possible to handle different size drill collars by adjusting the quantity of inserts or slip body. (2). 100% customer satisfaction for quality and reliability. (3). After machining all slips undergo 100% inspection. (4). Different types for clients choice for different depth well and different size drill pipe. 4. Material: Carbon Steel. 5. Processing Type: Forging. 6. Machine Type: Drilling Tool. 7. Use: Well Drilling. 8. FAQ: Why you need to choose Lake Petro? As a professional oil and gas service company, Lake Petro has many good experience in selling and serves for the oilfield industries for years. Quality is the culture of the company, we provide API and BV certified products for customer. Can you make us the best quality products as well as a good price? Yes, we can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe. What is special compare with other companies? First, we provide the quality products, with BV and API certified; At the same time, we provide our customer with the best service after sale, any time any where.
1. Main Technical Parameters: (1). Model: DU. Size of Slip Bodies: 4 1/2". DP O.D. (in): 2 3/8"; 2 7/8"; 3 1/2"; 4"; 4 1/2". DP O.D. (mm): 60.3; 73.0; 88.9; 101.6; 114.3. (2). Model: DU. Size of Slip Bodies: 5 1/2". DP O.D. (in): 3 1/2"; 4"; 4 1/2"; 5"; 5 1/2". DP O.D. (mm): 88.9; 101.6; 114.3; 127; 139.7. (3). Model: DU. Size of Slip Bodies: 7". DP O.D. (in): 4 1/2"; 5"; 5 1/2"; 6 5/8"; 7". DP O.D. (mm): 114.3; 127; 139.7; 168.3; 177.8. (4). Model: DUL. Size of Slip Bodies: 4 1/2". DP O.D. (in): 2 3/8"; 2 7/8"; 3 1/2"; 4"; 4 1/2". DP O.D. (mm): 60.3; 73.0; 88.9; 101.6; 114.3. (5). Model: DUL. Size of Slip Bodies: 5 1/2". DP O.D. (in): 3 1/2"; 4"; 4 1/2"; 5"; 5 1/2". DP O.D. (mm): 88.9; 101.6; 114.3; 127; 139.7. (6). Model: DUL. Size of Slip Bodies: 7". DP O.D. (in): 4 1/2"; 5"; 5 1/2"; 6 5/8"; 7". DP O.D. (mm): 114.3; 127; 139.7; 168.3; 177.8. (7). Model: SDU. Size of Slip Bodies: 4 1/2". DP O.D. (in): -. DP O.D. (mm): -. (8). Model: SDU. Size of Slip Bodies: 5 1/2". DP O.D. (in): 3 1/2"; 4"; 4 1/2"; 5"; 5 1/2". DP O.D. (mm): 88.9; 101.6; 114.3; 127; 139.7. (9). Model: SDU. Size of Slip Bodies: 7". DP O.D. (in): 4 1/2"; 5"; 5 1/2"; 6 5/8"; 7". DP O.D. (mm): 114.3; 127; 139.7; 168.3; 177.8. 2. Product Description: Drill pipe slip is a kind of handling tools specially used to handle drill pipe during the oil well drilling operations for the exploration of petroleum and natural gas. It is an essential tool for coupling and uncoupling. There are three types of DU series Rotary Slips: DU, DUL and SDU. They are with large handling range and light weight. There into, SDU slips have larger contacting areas on the taper and higher resistance strength. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment. 3. Features: (1). Suitable for shallow hole drilling, medium depth drilling and deep drilling. (2). 100% customer satisfaction for quality and reliability. (3). After machining all slips undergo 100% inspection. (4). Different types for clients choice for different depth well and different size drill pipe. 4. Material: Carbon Steel. 5. Processing Type: Casting. 6. Machine Type: Drilling Tool. 7. Use: Well Drilling.
We are supplier and exporter of Hematite Powder. Hematite Powder is a mineral, coloured black to steel. It is mined as a main of iron ore and used as a weighting agent in oil drilling. It is the mineral form of iron(III) oxide (Fe2O3). Fluids weighted with API Hematite Powder contain fewer solids by volume than, making higher mud fluids possible. API Grade Hematite Powder is applicable in all types of drilling fluids, including freshwater, seawater and oil-base muds. It is used as a density increasing product, used as a weighting agent and in the paint industry. Hematite is also a harder mineral than Barite so it is more resistant to particle size degradation. High Density Hematite Powder API Grade -SG = 5.19 - 5.47 -Fe2O3 = 96.70% -Fe = 71.82% -SiO2 = 0.89% -Mesh Size (passing at 98%) = 325
Hematite Powder is a mineral, coloured black to steel. It is mined as a main of iron ore and used as a weighting agent in oil drilling. It is the mineral form of iron(III) oxide (Fe2O3). Fluids weighted with API Hematite Powder contain fewer solids by volume than, making higher mud fluids possible. API Grade Hematite Powder is applicable in all types of drilling fluids, including freshwater, seawater and oil-base muds. It is used as a density increasing product, used as a weighting agent and in the paint industry. Hematite is also a harder mineral than Barite so it is more resistant to particle size degradation.
Supply Ability: 50 sets per Month Air consumption: 17-35 M3/min Dimension(L*W*H):5500*1950*2780mm One-timeadvance 6.6m length: Depth: 300 Meters Warranty of core 1.5 years components: Key Selling Points: Competitive Price Drilling Depth: Max.300m Walking speed: 2.5kw/h Machinery Provided Condition: New Power Type: Diesel Usage: Water Well Place of Origin: China Warranty: 1 Year Keyword: deep water well drilling rigs Weight: 9000kg,9000 KG Brand Name: YUXINGHUA Hole diameter: 140-325 Mm Video outgoing-inspection: Provided Type: Rotary Drilling Rig Core Components: Pressure vessel,Gearbox Marketing Type: New Product 2020 Applicable Industries: Garment Shops,Building Material Shops,Manufacturing Product name: Rotary Drilling Rig Model: FY300 Drilling Diameter: 140-325mm Packaging Detail: water well rotary drilling machine Standard Container
Description High-grade barium sulfate specially processed use as a drilling fluid weighting additive. BARITE meets the API Specification 13A, Section 2 requirement for a drilling fluid BARITE Recommended Use Primarily for mud rotary drilling, barite increases mud density while maintaining low solids to help control formation pressures Advantages 1. High specific gravity; raises drilling fluid density with minimum solids 2. Controls formation pressure, stabilizes the borehole 3. Cost-effective, non-toxic, and chemically inert Properties 4. Specific Gravity: 4.2 (minimum) 5. Moisture Content: Less than 1% 6. Bulk Density: 150 lbs/ft3 7. Mineral Content: 94% barium sulfate Mixing and application Add BARITE through high shear mixer or jet hopper so that entire circulating volume is at uniform weight. To control artesian flow at surface, keep the hole full at all times with weighted mud. Starting with 100 gallons of mud at a weight of 9 lbs/gal, 134 lbs of BARITE will raise the weight to 10 lbs/gal and increase the volume to 104 gallons. Packaging 1500 kgs Jumbo bags, one bag per pallet. All are of F.I.B.C. Class, SINGLE TRIP, all weather ( 04 PF Inner Bag & 05 PP Outer Bag )
API 7K QW175 QW 205 QW 275 QW 375 Air Pneumatic Slip for rotary table Product Description High Quality Drill Pipe Air Slips, QW 275 Type Pneumatic Slips QW Type Pneumatic Slip is an ideal well-head mechanized tool with double functions, it can automatically handle the drill pipe when the drilling rig is running in hole or does pipe wiping when the drilling rig is pulling out of hole. It can accommodate different kinds of drilling rig rotary table. And it features convenient installation, easy operation, complete functions, high automation, low labor intensity, and can improve the drilling speed. Technical Specifications: Model QW-175 QW-205(520) QW-275 QW-375 Suited for which rotary tables ZP175 ZP205(ZP520) ZP275 ZP375 Working pressure MPa 0.60.9 psi 87 -130 Effective clamping length mm 350 420 420 420 in 133/4 161/2 161/2 161/2 Rated load kN 2250 2500 2500 2500 Slip extenstion height mm < 300 in
Type A drill collar slips(Woolley Style) are multi-segments slips.They can accommodate the changes of outer diameter after the abrasion of drill collar.They are with light weight,large handing scale and reliable quality.This kind of slips are designed and manufactured according to API Spec 7K Specification for drill and well servicing equipment.
The Safety Clamp is one of the most valuable tools for well drilling. It helps guard against dropping flush-joint pipe, streamlined drill collars, etc. into the hole while making-up or breaking-out the string. It is necessary tools for drill rig while drilling operation is ongoing. The Safety Clamp can be deviled into MP, the WA-T and WA-C type. MP-S /MP-R /MP-M /MP-L /MP-XL
ProductASME 165 slip on flanges BrandRenaissance Pipe Fitting Inc SizesRefer the specification ConditionNew Rating44 based on 22 reviews priceStart from 20 USD RFP India is specific in making high quality of Slipon flanges These types of flanges more often than not slip over the pipe Slip on pipe flanges are by and large manufactured by means of within diameter of the pipe flange which is higher than the external diameter of the pipe in some measure Well this allows the Slip on flange to in fact slip over the pipe Slipon pipe flanges are being connected usually towards both inside and outside to provide strength and also to stop the leakage At times they also have a ringboss or a focal point and can be manufactured with a bore for to go quite well with either pipe or tube nbsp RANGE 15 NB to 60 1500NB in 150 LBS 300 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS ASA 150 ASA 300 PN 6101625 4064100160 ETC available with NACE MR 0175 SIZE 15NB to 60 1500NB CLASS PRESSURE Class Pressure 150 300 600 900 1500 2500 PN6 PN10 PN16 PN25 PN40 PN64 DIMENSION B165 BS4504 EN1092 B1636 B1647 B1648 MSS SP44 STD STD ANSI Flanges ASME Flanges DIN Flanges EN Flanges BS Flanges API JIS NACE etc FEATURES Dimensional accuracy Corrosion resistance High efficiency Excellent finish Durable Stainless Steel Slip on Flanges Standard ASTM ASME ASA 182 Grade F 304 304L 304H 309S 309H 310S 310H 316 316TI 316H 316L 316LN 317 317L 321 321H 347 347H 904L Duplex Steel Slip on Flanges Standard ASTM ASME ASA 182 Grade F 44 F 45 F51 F 53 F 55 F 60 F 61 Aluminium Slip on Flanges Standard ASTM B247 B361 Grade 2024 6061 6063 6101 7075 Titanium Slip on Flanges Standard ASTM B381 Grade Grade 1 Grade 2 Grade 4 Grade 5 Grade 6 Grade 7 Grade 9 Grade 19 Grade 23 Carbon Steel Slip on Flanges Standard ASTM A 105A694 A350 LF3A350 LF2 Grade F42465256606570 Low Temperature Carbon Steel Slip on Flanges Standard ASTM A 350 LF2 A350 LF3 Alloy Steel Slip on Flanges Standard ASTM A182 Grade F1F5F9F11F22F91 Copper Alloy Slip on Flanges Standard ASTM ASME SB 61 62 151 152 Grade UNS NO C 70600 CU NI 9010 C 71500 CU NI 7030 C 71640 Nickel Alloy Slip on Flanges Standard ASTM ASME SB 564 160 472 Nickel 200 UNS N02200   Nickel 201 UNS N02201   Monel 400 UNS N04400 Monel K500 UNS N05500   Inconel K600 UNS N06600   Inconel 601 UNS N06601 Inconel 625 UNS N06625   Inconel 800 UNS N08800   Inconel 800H UNS N08810 Inconel 825 UNS N08825   Hastelloy C276 UNS N10276   Alloy 20 UNS N08020 Test Certificate Manufacturer Test Certificate as per EN 10204 31 nbsp Types Of Slip on Flanges SS 310 310S Slip on Flanges Duplex Steel UNS S31803 Slip on Flanges Stainless Steel 304 304L Slip on Flanges Duplex Steel Slip on Flanges Stainless Steel 316 316L Slip on Flanges Duplex Steel UNS S32205 Slip on Flanges Stailess Steel 321 321H Slip on Flanges Super Duplex UNS S32750 Slip on Flanges Mon
4145h api 7-1 drill collars are made of modified aisi 4145h chromium molybdenum alloy steel. These drill collar bars are full-length heat treated and water quenched to obtain astm a-370 mechanical properties. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 bhn and an impact value of 40 ft.-lbs. At room temperature one inch below the surface. To ensure close tolerance bores, all drill collar bars are trepanned then drifted to api specifications. Bar surface finish is “as rolled” which is original mill finish. Connections: All connections are precision-machined to api specifications. Api relief groove pin and bore back box stress relief are available on request. Thread roots are cold-worked to offer a greater resistance to fatigue. All connections are phosphated to minimize galling during makeup and applied with thread storage compound. Thread protectors are installed to ensure adequate joint protection during shipment.
Drill Collar Slips Type A are multi-segments slips. They can accommodate the changes of outer diameter after abrasion of drill collar. They are with light weight, large handling scale and reliable quality. This kind of slips are designed and manufactured according to API Spec 7K Specificationfor drilling and well servicing equipment.
WT type Drill Collar Slips 1.Certificates;API,CE,ISO. 2.Size:4 1/2in(114.3mm) to 9 1/2in(241.3mm) 3.Best after sale service
China supplier high quality LAKE Square drive Roller Kelly bushing consists of lower body half, upper body half, roller, roller pin and etc. when the bushing is installed to square kelly or hex kelly, the square part of the lower body half can be fitted in the square of the master bushing. When operating, the rotary table drive master bushing and master bushing drive Roller Kelly bushing and Roller Kelly bushing drive square kelly or hex Kelly to rotate, such is the torque transporting. The lower body half is conically shaped to readily enter the bore of the master bushing and automatically center bushing and drill string within the bore of the master bushing. Inside rollers are journal bearings which are fitted to the roller pin, when kelly rotates and moves downward, the rollers rotates with Kelly, such change sliding friction to rolling friction and minimize the abrasion of the kelly. The bushing is equipped with mud-scrapper assembly to clean the mud. The Square Drive Roller Kelly Bushing provides the following advantages: 1.Pulling out or feeding off string can be done while rotating; 2.Because of its integral construction, it can not fly out and hurts you. 3.The bushing is easily installed into the master bushing, maintaining good alignment; 4.The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate; 5.The Kelly has lower wear and has long life.
Weigao offers a wide variety of drill collar sizes from 3 ¨û¡± - 9 ¨ö¡±, spiraled or slick, and with api connections. All our drill collars are tailored to your specific requirements. We supply slick, spiral, and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Weigao drill collar are high quality products which meet the hardest operating conditions. Each collar undergoes strict quality control, more than one hundred checks are made in the course of manufacturing. All mechanical properties meet or exceed the requirements of api spec.7-1 for drill collars. Weigao drill collars are made of aisi 4145 h modified alloy steel or non-magnetic material. Other grades are available on request. Weigao drill collars are used successfully for sour gas wells. After forging or rolling, the bars are peeled, heat treated, stress relieved, ultrasonically inspected and straightened to api specifications, to ensure that each bar will meet the physical properties. Bundles , all connections shall be equipped with pressed steel or plastic steel thread protectors.
Sl-swivel with spinner Xsl-swivel with spinner is a combination of swivel and kelly spinner, driven by air motor or hydraulic motor, with keyless connection adopted between spinner and central pipe of swivel.It is designed and manufactured according to api spec 8c "specification for drilling and production hoisting equipment" Skype: julia0402zcy Water swivel for drilling 1.Ma.Static load:4500kn 2.Max.Rotary speed:500r/min 3.Max.Wp:35mpa 4.Id of center pipe:75mm Water swivel for drilling The swivel includes two main categories, which are common swivel and double duty swivel. Double duty swivel is a common swivel combined with a spinner. Common swivel consists of swivel bail, shell, support, gooseneck, central pipe, master bearing, joint and other parts. The lower end is connected with kelly stem by reg thread. The swivel bail is hung on the hook. Gooseneck and rotary hose can be connected by reg thread connection or union connection. Washpipe packing set assembly adopts cassette structure, so it can be quickly replaced without disassembling rotary hose and gooseneck. 3lp and 4lp internal or external thread hose connection thread are available for you. We can also manufacture low temperature resistant swivel according to customer's requirements. Our swivel meets api spec 8cpsl1 standards. It has been awarded the api certification issued by the american petroleum institute and is allowed to use api monogram.
Description: Drill Collar Slips are specially developed to handle drill collars during well drilling. There are Drill Collar Slips Type DCS, Drill Collar Slips Type A, Drill Collar Slips Type WT. Drill Collar Slips Type DCS include DCS-S, DCS-R and DCS-L type. They can handle drill collars from 3 in (76.2 mm) to 14 in (355.6 mm) O.D.. The handling size can be adjusted by changing the quantity of inserts or slip body. Drill Collar Slips Type A are multi-segments slips. They can accommodate the changes of outer diameter after abrasion of drill collar. And they feature of light weight, large handling scale and reliable quality.
Application: Used as Flexible connection between standpipe and swivel (Rotary Drilling) or between pump and standpipe (Rotary Vibrator) for pumping mud at extra high pressures in oil drilling and natural gas exploration work (including 50D, 70D). Temperature Range: -30�°C~ 120�°C, or manufactured upon customers' requirements Hose Reinforcement:2~ 6 layers spiraled by single high-strength steel wire, and rubber as a binder to make the layers into one complete and sound construction Lining: Principally NBR constructed, featuring oil-resistant, abrasion-resistant, acid, alkali & flame resistant. Hose Cover: Primarily CR fabricated, featuring oil-resistant, abrasion-resistant, weatherproof and anti-ageing Coupling Type: NKT 60X2.5 , HAMMER UNION 1502 , BSPT 4" Reference Standard: API Spec 7K,ISO 6807