Gold Member Since 2007
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Zhejiang Guanlong Machinery Valve Co., Ltd.

Non Return Valve, Non Slam Check Valve, Automatic Check Valve manufacturer / supplier in China, offering Piston Type Advanced Inline Force Control Valve (BFDG7M41), Multiple Spraying Holes Type Multi-Functional Axial Plunger Control Valve (GLH942X), Multiple Spraying Holes Multifunctional Axial Flow Plunger Control Valve (GLH642X) and so on.

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Supplier Homepage Product Check valve / Non-return valve Buffer Type Check valve Piston Type Advanced Inline Force Control Valve (BFDG7M41)

Piston Type Advanced Inline Force Control Valve (BFDG7M41)

Purchase Qty.:
1-9 10+
FOB Unit Price: US $420 US $400
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $420
10+ US $400
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Port: Ningbo, China
Production Capacity: 800 PCS / Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: BFDG7M41
  • Connection Form: Flange
  • Pressure: Ordinary Pressure
  • Sealing Form: Soft Sealing / Hard Sealing
  • Standard: ANSI, API, DIN, BS, GB etc
  • Temperature Applicable: 0 ~ 80ºC
  • Pressure Rating: Pn6~ Pn25 (MPa0.6~2.5 or Class 150~300)
  • Transport Package: Bubble Plastic Paper + Plywood Case
  • Origin: China
  • Material: Ci, Di, CS, Ss etc
  • Structure: Swing
  • Function: Nrvr Silence, Nrvz Silence, Nrvg Silence
  • Flow Direction: Unidirection
  • Application: Industrial Usage, Water Industrial Usage
  • Medium Applicable: Clean Water, Sewage, Source Water, Oil etc
  • Trademark: KARFAR
  • Specification: DN125 ~ DN800
Product Description
Advanced Inline Force Control Valve,
diaphragm type / piston type

Piston Type Advanced Inline Force Control Valve (BFDG7M41)
This model is the fifth generation product developed from old manual operated valve, hydraulic butterfly valve, multifunctional valve and hydraulic control valve. It is installed at the outlet side of the pump station. After structure reform, this model has straight line flow channel with advantages of energy saving, smooth running, perfect sealing performance. It mixes the functions of electrically operated gate valve, electrically operated butterfly valve and check valve. Its closing speed is very quick so as to avoid pressure surge and protect the pump station and the pipeline.
This valve is popularly used in the downstream pipeline of centrifugal pump, mixed flow pump and axial flow pump of automatic water supply and drainage system. There are two operation choices: Piston type and Diaphragm type. It can be applied to many mediums such as clean water, source water, sewage and slurry water etc. 

It is very suitable for big size pipeline system because of its compact structure, small size, light weight. It is popularly used in pipeline of electricity power industry, environment protection industry, metallurgy industry, petrochemical industry, waterworks, city construction and food industry etc.

It is a new control device for pump station with the latest design, most advanced capacity, most dependable performance in the world market.

Size:  DN150 ~ DN800
Pressure: PN10, PN16, PN25
Tempreture applicable: 0ºC ~80ºC

Part nameMaterial
1BodyWCB, Cast Iron, Ductile Iron
2Big DiscWCB
3Buffer pistonStainless steel
4Control unitDiaphragm / Piston as per request
5Ball Valve&FilterBrass
6Bypass piping&fittingBrass / Hose
top pole
9Small discCarbon steel

Piston Type Advanced Inline Force Control Valve (BFDG7M41)
Piston Type Advanced Inline Force Control Valve (BFDG7M41)
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