Primary Pressure Regulating / Falling Water Preventing Valve, GD-20R Series

Primary Pressure Regulating / Falling Water Preventing Valve, GD-20R Series

[Features]
· Used for preventing fluids inside the pipes from draining when the pump stops in medium and high-rise building open-circuit systems.
· Used as a pump pressure-relief valve for eliminating pressure differences due to load fluctuations. Maintains a constant pressure inside the pipes while the pump is operating.
· The large pressure detection unit provides reliable response and cut-off performance against pressure changes.
· The GD-20RC has excellent corrosion resistance due to its nylon 11 coating on the inside and outside surfaces of the main body.

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Part Number

Configured Part Number is shown.

GD-20R-FCD-65A

Part Number
GD-20R-FCD-65A
Part NumberVolume DiscountDays to ShipSupply Side, Nominal Designation of Pipe Flange Denomination B(Denomination A) Control Side Nominal The Pipe Flange B name(A name) Maximum Applicable Pressure Data Primary Pressure
(MPa)
Material (Valve Body / Valve Seat)
8 Day(s) or more 2 1/2B(65A)2 1/2B(65A)0.70.26~0.7Bronze

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Basic Information

Regulating Valve / Safety Valve Type Water falling prevention valve Applicable Fluid Water / Air / Oil Max. Applicable Pressure(MPa) 0.11~1
Max. Fluid Temperature(℃) 80 Body Material Spherical Graphite Cast Iron Connection Type Equal Dia. Connection
Supply Side, Flange Connection Types JIS 10K Flange Control Side, Flange Connection Type JIS 10K Flange

Please check the type/dimensions/specifications of the part GD-20R-FCD-65A in the Primary Pressure Regulating / Falling Water Preventing Valve, GD-20R Series series.

Products like this...

Part Number
GD-20R-FCD-15A
GD-20R-FCD-20A
GD-20R-FCD-25A
GD-20R-FCD-80A
GD-20R-SCS-15A
GD-20R-SCS-20A
Part NumberVolume DiscountDays to ShipSupply Side, Nominal Designation of Pipe Flange Denomination B(Denomination A) Control Side Nominal The Pipe Flange B name(A name) Maximum Applicable Pressure Data Primary Pressure
(MPa)
Material (Valve Body / Valve Seat)
8 Day(s) or more 1/2B(15A)1/2B(15A)0.70.26~0.7Bronze
8 Day(s) or more 3/4B(20A)3/4B(20A)0.70.26~0.7Bronze
8 Day(s) or more 1B(25A)1B(25A)0.70.26~0.7Bronze
8 Day(s) or more 3B(80A)3B(80A)0.70.26~0.7Bronze
Quote 1/2B(15A)1/2B(15A)0.70.26~0.7Stainless Steel
Quote 3/4B(20A)3/4B(20A)0.70.26~0.7Stainless Steel

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