AMC 2026 catalogue Plumbing Safety Relief Valves
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PLUMBING
Relief Valves
▪Aquatrol Valves temp. range: 0° to 450°F ▪Kunkle Valves temp. range: -60° to 406°F Bronze relief valves are field-adjustable and pressure is factory set to midrange for minimal effect on flow capacity rates. Adjustment requires no disassembly; simply remove hex cap. Closed bonnet, sealed hex cap, and lapped metal seating eliminate leakage. Stainless steel springs. For pressure relief, liquid relief, continuous bypass, and overprotection for pumping stations, tanks, hydraulics, fluid, and pipelines.
WWG5NKV2
WWG3ETF6
Inlet Size Outlet Size Inlet Type Outlet Type
Preset Setting (PSI) Pressure Range Brand
Item
No. Adjustable Relief Valve
1⁄2" 1⁄2" MNPT FNPT 50 0 - 50 PSI Aquatrol WWG3ERH9 1⁄2" 1⁄2" MNPT FNPT 125 101 - 125 PSI Aquatrol WWG3ETD8 1⁄2" 1⁄2" MNPT FNPT 150 126 - 150 PSI Aquatrol WWG3ETD9 1⁄2" 1⁄2" MNPT FNPT 250 201 - 250 PSI Aquatrol WWG3ETE2 1⁄2" 1⁄2" MNPT FNPT 300 251 - 300 PSI Aquatrol WWG3ETE3 1⁄2" 1⁄2" MNPT FNPT 400 301 - 400 PSI Aquatrol WWG3ETK9 3⁄4" 3⁄4" FNPT MNPT 50 — Kunkle Valve WWG5NKV2 3⁄4" 3⁄4" FNPT MNPT 225 — Kunkle Valve WWG5NKV4 3⁄4" 3⁄4" MNPT FNPT 50 0 - 50 PSI Aquatrol WWG3ERJ1 3⁄4" 3⁄4" MNPT FNPT 100 51 - 100 PSI Aquatrol WWG3ETL2 3⁄4" 3⁄4" MNPT FNPT 200 151 - 200 PSI Aquatrol WWG3ETL4 3⁄4" 3⁄4" MNPT FNPT 300 251 - 300 PSI Aquatrol WWG3ETL6 3⁄4" 3⁄4" MNPT FNPT 400 301 - 400 PSI Aquatrol WWG3ETL7 3⁄4" 3⁄4" MNPT FNPT 600 401 - 600 PSI Aquatrol WWG3ETL8 1" 1" FNPT MNPT 50 — Kunkle Valve WWG5NKV5 1" 1" MNPT FNPT 100 51 - 100 PSI Aquatrol WWG3ETL9 1" 1" MNPT FNPT 150 101 - 150 PSI Aquatrol WWG3ETN1 1" 1" MNPT FNPT 400 301 - 400 PSI Aquatrol WWG3EVC2 1 1⁄4" 1 1⁄4" FNPT MNPT 100 — Kunkle Valve WWG5NKV9 1 1⁄4" 1 1⁄4" MNPT FNPT 100 76 - 100 PSI Aquatrol WWG3ETG7 1 1⁄2" 1 1⁄2" MNPT FNPT 15 0 - 15 PSI Aquatrol WWG3ERH7 1 1⁄2" 1 1⁄2" MNPT FNPT 30 16 - 30 PSI Aquatrol WWG3ETH4 1 1⁄2" 1 1⁄2" MNPT FNPT 125 101 - 125 PSI Aquatrol WWG3ETH8 1 1⁄2" 1 1⁄2" MNPT FNPT 150 126 - 150 PSI Aquatrol WWG3ETH9 1 1⁄2" 1 1⁄2" MNPT FNPT 100 51 - 100 PSI Aquatrol WWG3ETN7 2" 2" FNPT FNPT 15 0 - 15 PSI Aquatrol WWG3ERH8 2" 2" FNPT MNPT 50 — Kunkle Valve WWG5NKW4 2" 2" FNPT MNPT 100 — Kunkle Valve WWG5NKW5 2" 2" MNPT FNPT 50 31 - 50 PSI Aquatrol WWG3ETJ5 2" 2" MNPT FNPT 75 51 - 75 PSI Aquatrol WWG3ETJ6 2" 2" MNPT FNPT 150 126 - 150 PSI Aquatrol WWG3ETJ9 Relief Valve
1⁄2" 1⁄2" MNPT FNPT 15 0 - 15 PSI Aquatrol WWG3ERH3 1⁄2" 1⁄2" MNPT FNPT 30 16 - 30 PSI Aquatrol WWG3ETD4 1⁄2" 1⁄2" MNPT FNPT 50 31 - 50 PSI Aquatrol WWG3ETD5 1⁄2" 1⁄2" MNPT FNPT 75 51 - 75 PSI Aquatrol WWG3ETD6 1⁄2" 1⁄2" MNPT FNPT 100 76 - 100 PSI Aquatrol WWG3ETD7 1⁄2" 1⁄2" MNPT FNPT 200 151 - 200 PSI Aquatrol WWG3ETE1 3⁄4" 3⁄4" MNPT FNPT 15 0 - 15 PSI Aquatrol WWG3ERH4 3⁄4" 3⁄4" MNPT FNPT 30 16 - 30 PSI Aquatrol WWG3ETE4 3⁄4" 3⁄4" MNPT FNPT 50 31 - 50 PSI Aquatrol WWG3ETE5 3⁄4" 3⁄4" MNPT FNPT 75 51 - 75 PSI Aquatrol WWG3ETE6 3⁄4" 3⁄4" MNPT FNPT 100 76 - 100 PSI Aquatrol WWG3ETE7 3⁄4" 3⁄4" MNPT FNPT 125 101 - 125 PSI Aquatrol WWG3ETE8 3⁄4" 3⁄4" MNPT FNPT 150 126 - 150 PSI Aquatrol WWG3ETE9 3⁄4" 3⁄4" MNPT FNPT 200 151 - 200 PSI Aquatrol WWG3ETF1 3⁄4" 3⁄4" MNPT FNPT 250 201 - 250 PSI Aquatrol WWG3ETF2 3⁄4" 3⁄4" MNPT FNPT 300 251 - 300 PSI Aquatrol WWG3ETF3 1" 1" MNPT FNPT 75 51 - 75 PSI Aquatrol WWG3ETF6 1" 1" MNPT FNPT 15 0 - 15 PSI Aquatrol WWG3ERH5 1" 1" MNPT FNPT 50 0 - 50 PSI Aquatrol WWG3ERJ2 1" 1" MNPT FNPT 30 16 - 30 PSI Aquatrol WWG3ETF4 1" 1" MNPT FNPT 50 31 - 50 PSI Aquatrol WWG3ETF5 1" 1" MNPT FNPT 100 76 - 100 PSI Aquatrol WWG3ETF7 1" 1" MNPT FNPT 125 101 - 125 PSI Aquatrol WWG3ETF8 1" 1" MNPT FNPT 150 126 - 150 PSI Aquatrol WWG3ETF9 1" 1" MNPT FNPT 200 151 - 200 PSI Aquatrol WWG3ETG1 1 1⁄2" 1 1⁄2" MNPT FNPT 50 31 - 50 PSI Aquatrol WWG3ETH5 1 1⁄2" 1 1⁄2" MNPT FNPT 75 51 - 75 PSI Aquatrol WWG3ETH6 2" 2" MNPT FNPT 100 76 - 100 PSI Aquatrol WWG3ETJ7
AQUATROL, KUNKLE VALVE
Safety Relief Valves
▪Temp. range: -60° to 406°F ▪Bronze models include test lever
WWG40L322 WWG31LD14
Inlet Size Outlet Size Inlet Type Outlet Type
Factory Set Pressure Seat Material
Item
No. Bronze
3⁄4" 1" MNPT FNPT 30 PSI Metal WWG31LD14 3⁄4" 1" MNPT FNPT 60 PSI Metal WWG31LD16 3⁄4" 1" MNPT FNPT 75 PSI Metal WWG31LD17 3⁄4" 1" MNPT FNPT 125 PSI Metal WWG31LD19 3⁄4" 1" MNPT FNPT 150 PSI Metal WWG31LD20 3⁄4" 1" MNPT FNPT 125 PSI Metal WWG31LD85 3⁄4" 1" MNPT FNPT 150 PSI Metal WWG31LD86 Stainless Steel
3⁄8" 1⁄2" FNPT MNPT 50 PSI PTFE WWG40L322 3⁄8" 1⁄2" FNPT MNPT 100 PSI PTFE WWG40L323
KUNKLE VALVE
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