DFT: Check Valves:

GPV® Wafer Check Valve

GPV® Wafer Check Valves feature an in-line spring assisted design to prevent flow reversal for liquids and gases.

The edge guided disc and center guided stem ensure that the soft seated disc will always find its home and provide bubble tight shutoff.

316 stainless steel construction provides superior corrosion protection.

Documentation:
Product Specifications
(134KB PDF)

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GPV™ Wafer Check Valves feature a non-slam spring-assisted design to prevent flow reversal for liquids and gases.
The edge-guided disc and center-guided stem ensure that the soft-seated disc will always find its home and provide bubble tight shutoff. The 316 stainless steel construction provides superior corrosion protection.

Materials of Construction
Seat		A479 316
Disc	1" to 3"	316 SS
Disc	4"	17-7 SS
Guard		316 SS
Spring		316 SS
Retaining Ring		316 SS
Pressure Temp Rating - 316 SS (PSIG)
Temp.(°F)	ASME / ANSI Class
	150	300
100	275	720
200	235	620
250	225	590
300	215	560
400	195	515
450	180	495

DFT GPV Wafer Threaded In-Line Check Valve

GPV Wafer Check Valve

Spring-assisted silent closing
ASME Class 150, 300/600
316 Stainless steel body, disc & retainer
Inconel® X-750 spring
Hydrogen peroxide-cured 90 Durometer Buna-N soft seat for bubble-tight shutoff
Temperatures to 250°
Horizontal or vertical installations
Meets:
-B16.34-2004
-MSS SP-61


GPV WAFER CHECK VALVES
Part #	Size	Class	Face to Face	OD (Dia)	Weight	Cv	Cracking Pressure CP
2020	DN 50 2 in	150	3/4 in 19.05 mm	4.12 in 105 mm	2.6 lb 1.2 kg	21	0.4 psi 0.028 bar
2060	DN 50 2 in	300/600	3/4 in 19.05 mm	4.38 in 111 mm	3.0 lb 1.4 kg	21	0.4 psi 0.028 bar