4 INCH frp membrane housings W40S300 Winder frp membrane housing pressure vessels 4" Side Entry Design Available in 300 psi, 450Psi, 600Psi, 1000Psi, 1200Psi, pressure rating Accommodates standard make 4" Membrane Element Applicable to: DOW, HYDRANAUTICS, OSMONICS, KOCH, TORAY, CSM, VONTRON, BDX, etc. Standard: ASME RP, CE, ISO9001, ISO14001, UL/NSF Specification Winder frp membrane housing pressure vessels 4" Side Entry Design Available in 300 psi, 450Psi, 600Psi, 1000Psi, 1200Psi, pressure rating Accommodates standard make 4" Membrane Element Applicable to: DOW, HYDRANAUTICS, OSMONICS, KOCH, TORAY, CSM, VONTRON, BDX, etc. Standard: ASME RP, CE, ISO9001, ISO14001, UL/NSF Key Features: Operating Temp Range: -10°C ---49°C Internal permeate port not to exceed 125PSI(0.88 MPa) Operating pH Range: 3 - 11 Cleaning pH Range: 2 - 12 (less than 30 minutes) Mirror inner wall and brightly surface. Multi-ports option White color is as standard. Customized colors are also available. ASME Code stamp available upon request