Flange Swing Check Valve for Water, Oil, Gas

Flange Swing Check Valve for Water, Oil, Gas System 1

Flange Swing Check Valve for Water, Oil, Gas

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Quick Details of Flange Swing Check Valve

Standard or Nonstandard:	API,DIN, BS, JIS	Structure:	Check	Pressure:	Medium Pressure
Power:	Hydraulic	Material:	WCB WC6,WC9, Brass, Stainless Steel	Temperature of Media:	Medium Temperature
Media:	Water, Oil, Gas	Port Size:	DN50-600	Place of Origin:	China (Mainland)
Model Number:	H44H	Brand Name:	LQ	Color:	Blue

Packaging & Delivery of Flange Swing Check Valve

Packaging Detail:	Wooden boxes
Delivery Detail:	One Month

Specifications of Flange Swing Check Valve

Certificate: DNV ISO9001 AZ CE,TS

Material: WCB WC6, WC9, Brass, Stainless Steel

Swing check valve is the class-1 supplier of CNOOC, Sinopec CNPC and CAO

- Type: Swing Check Valve

Usage of Flange Swing Check Valve

-Processing:

Various modes of the pipeline, prevent the medium backflow

- Products Design Features: Flanged & Butt-welding ends swing check valves are used in pipes under pressures between PN 1.6-16.0MPa,Class 150-900Lb,working temperatures between -29-570 °C, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backward flux of the media.

- Method: Handle operation, electric.

- Raw Material: WCB, WC6

Flange Swing Check Valve for Water, Oil, Gas

Q: Automatic water tower water reflux, plus a check valve not supposed: Check the direction of the installation is correct, check valve quality is good, you can install two check valve. Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.

Q: To prevent water meter rotation, where should the check valve be installed?: Do not pack more than 35 of the weak currentChasing the answerShould be installed at the outlet of the water meter (that is, water to the other side of the room)

Q: Should the pressure gauge be mounted before or after the check valve at the back of the pump?: If installed after the check valve, no matter how the pump operation, will show the actual pressure in the pipe.In order to facilitate the replacement, you can install a small valve on the main pipe to connect the pressure gauge on the small pipe. When you change the pressure gauge, you only need to turn off the small valve

Q: 40 how large check valves are installed in the water pipes?: Crown valve press40 of the pipe outer diameter of 48 DN40 check valve on it

Q: What is the difference between the check valve rcvx and SFCV?: SFCV rubber check valve parts design mainly by the body, valve cover and rubber valve composed of three major parts. Its main features are: rubber valve in the valve by the steel plate, steel bar and reinforced nylon cloth as the substrate, the outer rubber covered, the valve switch life of up to 1 million times. H44X (SFCV) series rubber check valves adopt full flow area design. They have the characteristics of small head loss, easy accumulation of debris, easy maintenance and so on. H44X (SFCV) series rubber check valve is mainly suitable for horizontal installation of water supply and drainage system. It can be installed at the water outlet of the pump to prevent backflow and water hammer damaging the pump. H44X (SFCV) series rubber check valves can also be installed on the bypass pipe of the reservoir inlet and outlet to prevent backflow of water to the water supply system. Check valves are generally applicable to clean media and are not suitable for media containing solids and viscosity.Analysis of the main characteristics of RCVX rubber valve check valve: the valve body, valve cover, valve and spring, mainly used for pipeline industry departments of water supply and drainage system, oil and chemical exports, to prevent the media counter. Due to the design of the sealing ring of the product, the closing time is short, and the water hammer pressure can be reduced. The valve is made of nitrile rubber and steel plate by high temperature. It is resistant to erosion and has good sealing performance. The product structure is simple, and the maintenance, maintenance and transportation are very convenient.

Q: What kind of valve does the check valve belong to?: 1. check valves are automatic valves;2., if the valve is cast iron, can be cast iron valves; if the valve is cast steel, can be cast steel valves; of course, can also beIn copper valves, stainless steel valves,,,,,,,3., if used in steam, can belong to the steam valve

Q: What does the H/F/P stand for in the check valve H41H/H41F/H41P?: Respectively, the valve seat sealing surface is made of alloy / fluorine plastic / stainless steel.

Q: Is it necessary to install a check valve in the piston refrigeration compressor?: Following chart:Turn left and turn right |?Such arrangements because when the piston machine more than 2 units installed on the same system, if there is a part of the unit stops working in another part of the unit, it will cause the exhaust side wall will refrigerant condensation in the exhaust no work unit tube, the liquid refrigerant condensation along the exhaust the accumulation of down pipe in the exhaust pipe, may cause the cylinder inlet fluid or startup are high pressure, easy to cause the damage of the compressor. Therefore, when multiple compressors are connected in parallel, the check valve must be installed at the top of the exhaust pipe. Not only the piston machine, screw machine should also be installed in the exhaust pipe, otherwise the oil inside is all refrigerant liquid, leading to running oil, there have been such problems in the project.

Q: What's the difference between the H76H model and the H76J check valve?: PN1.6-25mpa, 150LB-2500LB, 5K-63K class;6 check valve material: Q ductile iron, C steel, P-304, R-316, A, I titanium alloy chromium molybdenum steel;Check valve common model:Clip on lift check valves: H71X, H71H;Butterfly butterfly check valves: H76X, H76H;Pairs of wafer type check valves: H74H, H74I, H74M;Silent check valve: H42H, H42W;Micro resistance slow closing check valve: HH44H, HH46H, HH49H;Rubber disc check valves: HC44X;Muffler check valve: HC41H, HC41X, HC41T;Lift check valves: H41H, H41W;Swing check valves: H44H, H44W;Chute ball check valve: HQ41X;Welded check valves: H61Y, H62Y, H64Y.

Q: What does the check valve "H64" and "H14" mean?: H check valve6 welding connection1 threaded connection4 swing check valveJB/T308-2004< valve type programming method >There should also be sealing surface material code and nominal pressure level

LQ,was founded in 1997. We specialize in producing brass ball valve, stop valve , check valves, gate valves, angle valves, bibcocks, sprayer fittings and all kinds of pipe fittings. Our products sell well in Europe, North and South America, Africa and the Middle East and Southeast Asia .

1. Manufacturer Overview

Location	Shanghai, China
Year Established	1997
Annual Output Value	Above US$ 0.5 Million
Main Markets	Europe, North and South America, Africa and the Middle East and Southeast Asia .
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Shanghai
Export Percentage	40%
No.of Employees in Trade Department	100People
Language Spoken:	English; Chinese; Spain; Alabic
b) Factory Information
Factory Size:	Above 6,000 square meters
No. of Production Lines	4
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average