• Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
  • Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
  • Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
  • Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
  • Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
  • Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Nominal Pressure: 4MPa, 6.3MPa
Applicable Medium: R12, R22, R502, R134A, R404A, R507, R717 and Other
Applicable Temperature: -50 ~ +150
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Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve pictures & photos
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
US $10-3,000 / Piece
Min. Order: 1 Piece
Diamond Member Since 2020

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Manufacturer/Factory

Basic Info.

Model NO.
NRVD
Structure Form
Angle & Straight
Valve Rod Material
304 Stainless Steel
Applicable System
Nh3, Freon and CO2
Color of Valve Body
Grey or Red
Certificate
CE, SGS, TUV, Bsi
Transport Package
Carton Box or Plywood Box Packaging
Specification
DN25-DN150
Trademark
DOFUN
Origin
China
HS Code
8481804090
Production Capacity
150000 Sets

Packaging & Delivery

Package Size
50.00cm * 50.00cm * 30.00cm
Package Gross Weight
15.000kg

Product Description

Ammonia ,Freon,CO2 System Refrigeration Valve
Valve Name Model Nominal Diameter Nominal Pressure Applicable Temperature Applicable Medium
Stop Valve SVD DN15 - DN300 4.0Mpa,6.3Mpa -50ºC~+150ºC R12, R22, R502, R134a, R404a, R507, R717 CO2,and etc.
Check Valve CVD DN15 - DN150 4.0Mpa,6.3Mpa -50ºC~+150ºC
Stop Check Valve SCV DN15 - DN150 4.0Mpa,6.3Mpa -50ºC~+150ºC
Regulating Valve TVD DN15 - DN125 4.0Mpa,6.3Mpa -50ºC~+150ºC
Filter FVD DN15 - DN150 4.0Mpa,6.3Mpa -50ºC~+150ºC
Overflow Valve OFD DN20,DN25 Pressure Adjustment Range: 2-6.5bar    3.5-8bar -50ºC~+150ºC
Liquid Level Switch LS50 DN20,DN25 2.8MPa -50ºC~+65ºC
Inlet Pressure Regulating Valve IPRV DN25-DN125 2.8MPa -50ºC~+120ºC
Inlet Pressure Regulating Valve(Solenoid Forced Close) IPRV-1C DN25-DN125 2.8MPa -50ºC~+120ºC
Inlet Pressure Regulating Valve(Solenoid Forced Open) IPRV-1N DN25-DN125 2.8MPa -50ºC~+120ºC
Outlet Pressure Regulating Valve OPRV DN25-DN65 2.8MPa -50ºC~+120ºC
Differential Pressure Regulating Valve DPAV DN25-DN125 2.8MPa -50ºC~+120ºC
Differential Pressure Regulating Valve(Solenoid Forced Open) DPAV-1N DN25-DN125 2.8MPa -50ºC~+120ºC
Neck Flange Check Valve NRVD DN25-DN150 2.5MPa -50ºC~+150ºC
Solenoid Valve DEVSC/
DEVS
DN3-DN50 2.5MPa -40ºC~+105ºC
Motor Valve DFMV DN20-DN125 4.0Mpa,6.3Mpa -50ºC~+150ºC
Pneumatic Solenoid Valve DGPV DN40-DN125 2.8MPa -50ºC~+120ºC
Two-Step Open Solenoid Valve(Normally Close) DGPV-2C DN40-DN125 2.8MPa -50ºC~+120ºC
Two-Step Open Solenoid Valve(Normally Open) DGPV-2N DN40-DN125 2.8MPa -50ºC~+120ºC
Valve Station DFCV   4.0Mpa -50ºC~+150ºC
Small Stop Valve SVS DN6,DN10 4.0Mpa -50ºC~+150ºC
Gauge Valve Series SVA DN6,DN10 4.0Mpa -50ºC~+150ºC
Motor Ball Valve DBVD DN25-DN150 4.0Mpa -50ºC~+150ºC
Cartridge Filter CFVD DN15-DN80 2.5MPa -50ºC~+150ºC
Double Stop Valve DSVD DSV1:  DN25 4.0Mpa -50ºC~+150ºC
DSV2:DN20,DN25,DN32

Neck Flange Check Valve Picture: 
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Our Products:
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Our Workshop:
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Packing and Transport:
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Small Valve plays A Big Role:

Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Our Certificate
Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve

Beautiful factory, and Hard-working DOFUN people.


Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Neck Flange Check Valve



Shandong DoFun Refrigeration Technology Co., Ltd. ( Hereinafter referred to as DOFUN) is located in LiaoCheng, an ancient canal capital with rich historical and cultural heritage as well as beautiful scenery.

The company covering an area of over 30 mu, and with an industrial park of over 50 mu in Yantai, has a registered capital of 50 million RMB. It owns a modern factory of over 10000 square meters and multiple world's advanced valve production lines and experimental text board. The main products conclude stop valve, check valve, stop check valve, overflow valve, motorized valve, throttle valve, filter and inlet pressure regulators etc. With strong technical force, excellent production equipment, complete detection means, strict system management, superior and reliable products and continuous products innovation, the valves of various materials produced by the company have been widely used in sectors of refrigeration, petrifaction, oil refining, nuclear power, chemical engineering, metallurgy, medicine, food, national defense, war and urban construction thereafter, DOFUN has gained great fame and affect at home and abroad, and received remarkable performance.

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