Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Stop Valve Ammonia Valve

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

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Our Certificate
Beautiful factory, and Hard-working DOFUN people.
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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