Description

For general purpose Mix Proof applications, WCB offers the W71 Series for standard shutoff service. Materials  

• Product Wetted: Stainless Steel, ASTM 316L (UNS-S31603); (DIN-1.4404)
• Non-Product: Stainless Steel, ASTM 304 (UNS-S30400); (DIN-1.4301)
• Seat: Tri-Ring Compression Seal on Upper and Lower Stems
• Elastomers: EPDM or FKM (Fluoroelastomer)
• Finish: ‚⧠32 Ra (‚â§0.8 ¬µm) Other finishes available upon request.

Pressure Ratings (Operating Pressure)  

• 1¬Ω” – 3″ (38mm – 76mm) Sizes – 150 psig (10 bar)
• 4″ (102mm) Size – 100 psig (7 bar)
• 4″ (102mm) Sch. 5 Size – 150 psig (10 bar)
• 6″ (152mm) Size – Consult Factory
• 6″ (152mm) Sch. 5 Size – 150 psig (10.3 bar)
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