Self-Operated Nitrogen Sealed Regulation / Control Valve (ZZDP)

China Self-Operated Nitrogen Sealed Regulation/ Control Valve (ZZDP), Find details about China Nitrogen Sealed Control Valve, Self-Operated Control Valve from Self-Operated Nitrogen Sealed Regulation/ Control Valve (ZZDP)

Basic Info.

Model NO.

ZZDQ

Type

Self-Operated

Working Temperature

-20~-350ºC

Body Material

Cast Steel; Fluorine PTFE F46

Body Type

Single Seat Type; Double Seats Type; Sleeve Type

Stem Matetial

Stainless Steel

Trademark

Specification

DN20~100mm

Origin

China

HS Code

8481803190

Model NO.

ZZDQ

Type

Self-Operated

Working Temperature

-20~-350ºC

Body Material

Cast Steel; Fluorine PTFE F46

Body Type

Single Seat Type; Double Seats Type; Sleeve Type

Stem Matetial

Stainless Steel

Trademark

Specification

DN20~100mm

Origin

China

HS Code

8481803190

Product Desciption

Self-operated Nitrogen Sealed Control Valve(ZZDQ)

Summary:Summary:
Self - operated nitrogen sealed control valve is mainly composed of fast relief valve and self - operated micropressure control valve. It is mainly used to hold the top of the container to protect the gas.

Self-operated Nitrogen Sealed Control Valve(ZZDQ)
Model	ZZDQ
Size	DN20~100mm
Structure Form	Straight-through Casting Type
Body Material	Cast steel(WCB); Stainless Steel(304;316;316L)
Norminal Pressure	PN1.6; PN4.0MPa
Working Temperature	-20~-350ºC
Application Range	Petroleum, chemical, gas and other media.
Feature	It needs no external energy and can be adjusted in trems of its own pressure.

Body Specification
Nominal Diameter	DN20~200mm
Flange Standard	ANSI,JIS,GB,JB,DIN
Body Material	Cast steel; Fluorine PTFE(F46)
Body Type	Single Seat Type; Double Seats Type; Sleeve Type
Working Temperature	-20~-350ºC
Plug Material	Stainless Steel(Metal-to-metal) Stainless steel inlaid with rubber ring(Soft Seal)
Stem Matetial	Stainless Steel
Pressure Balance	Stainless Steel Bellows(DN15-125)
Flow Characteristic	Quick-opening

Structure Form of Control Valve
1	2	3	4	5	6	7	8	9	10	11
Main Body	Core	Actutator	Reducing Valve	Throttle Valve	Conductor core	Detector	Preset Spring	Main Body	Detector	Spring

Features:
The self-operated nitrogen sealed valve is characterized by energy saving, sensitive action, reliable operation, convenient operation and maintenance, etc. It is widely used in petroleum, chemical and other industries. The self - operated nitrogen seal valve does not require external energy. It can work without electricity and gas source, which is convenient, energy saving and cost reducing.

Working principle:
When the pressure in the storage tank rises to the set pressure, the fast relief valve opens quickly to relieve the excess pressure in the valve. When the pressure of the micropressure control valve decreases in the storage tank, open the valve and fill the valve with nitrogen. Since the micro-pressure control valve must be used under the pressure of 0.1mpa and the field pressure is high, the ZZYP pressure control valve must be installed to reduce the pressure below 0.1mpa before it can be used.

Company Introduction:
Zhitai Valve Co., Ltd is a member of Valve Association of Longwan District, is located in Longwan Central Industrial Zone, Wenzhou City. It'a professional technology company integrated with development, manufacturing, sales, and after-sales services of valve actuators and and self-controlled valves. Presently, our main products include: pneumatic actuators, pneumatic valves and pneumatic control valves; electric actuators, electeic valves and eletric control valves; automatic control products. Our products are widely applied in natural gas, electricity, petroleum, chemical, metallurgical, construction, pharmacy, paper, printing and dying. Zhitai series actuators and valves are the best choice for automatic fluid control engineering and equipment manufacturing. We sincerely welcome customers from home and abrode to visit us for supervision, communication and cooperation. It's a great honor for us to cooperate with you.