Pressure retaining valve Constant pressure valve from China manufacturer - zhejiang liyongda refrigeration machine co.,ltd

Pressure retaining valve Constant pressure valve

Price:	300.0 USD
Payment Terms:	T/T,L/C,D/A,D/P
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: Liyongda

Production Capacity: 5000 Piece/Pieces per Month

Delivery Date: 7days

Standard or Nonstandard: Standard

Structure: Control

Temperature of Media: Low Temperature

Material:: Ductile cast iron

Means of Transport: Ocean,Land,Air

Packing: carton box /pallet

Power: Manual

Pressure: High Pressure

Material: Casting

Media: Gas

The valve which is called Constant pressure valve,
which is used for screw compressor.
Smooth running
Steady Performance

Pressure maintenance valve of non-adjustable screw unit

Basic product information :
Product name	Constant pressure valve
Test pressure	4.5Mpa
Check seal test pressure	0.2Mpa(Reverse inlet)
Open pressure difference	0.36-0.5(±0.03)Mpa
Temperature arrangement	-30°C +150°C
Suitable medium	R22. R507. R407C. R410A etc. Refrigerants and other refrigerating oil;
Company information We are specialized in Semi-hermetic compressor ,HVAC pipe valve,like ammonia valve ,Bitzer/carrier/copeland compressor service valve since 1992 .Passed CE,SGS,TUV,ISO9001 certificate . Product exports Italy ,USA,Singapore and other countries.

Specifications	Model	H	H1	H2	L	L1	ΦA
1"	BYF-25	172.5	146.5	65	91	24.5	Φ28.8
1.5"	BYF-25	285.5	234.5	118	136	35	Φ49
2"	BYF-25	289.5	235.5	123.5	147.5	40	Φ55
2.5"	BYF-25	353	288.5	130	164.5	40	Φ80
3"	BYF-25	408.5	349.5	158	173.5	40	Φ80.5
4"	BYF-25	456.5	381.5	161.5	203	50	Φ106
5"	BYF-25	321.5	461.5	161	277	45	Φ134

Note:

1.External balance tube should used by metal tube, which the diameter is greater than 4mm above,to avoid any line carefully throttling effect,and make the constant pressure valve when using the opening pressure is less than the design value.

2.Inlet of constant pressure valve is perpendicular to the ground,Angle shall not be more than 15dgresss.

3.Ensure the installation and the system to prevent impurities will be constant pressure valve thumb jammed and damaged seals,constant pressure valve failure.

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Order Method:

Liyongda refrigeration machinery co.,ltd is a large general valve manufacturer in China. Different valve products, models, materials and technology requirements.The price of the specific products is subject to the real-time inquiry. Please contact and consult the buyer before placing the order.

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