Cryogenic butterfly valve

Model:	-
Brand:	DBV
Origin:	Made In China
Category:	Industrial Supplies / Machine Hardware / Valves
Label:	Butterfly Valve , Cryogenic valve , Industrial Valve
Price:	US $1834.6 / pc
Min. Order:	1 pc

Product Description

DBV Butterfly Valves have been widely applied in cryogenic service, including Liquid Nitrogen, which is becoming the best unchangeable supplier.

Features:

1. -196℃ treatment.

2. Permanent non-deformation as rigid body construction.

3. Zero leakage as excellent seat and seal design.

4. No freeze-damage as long neck designed.

5. Firm treated stem as chrome plating or nitriding.

6. Self-pressure relief.

7. Fugitive emissions control for flammable application.

8. Second sealing as grease.

Technical Specifications:
Design Standard	GB	BS EN	API
Technical requirements of Cryogenic Butterfly Valves for low temperature situation	GB/T24925	BS6364	MSS SP-134
Design Standard	GB/T12238	BS EN593	API609
Face-to-Face	GB/T12221	BS EN558	API609
Connection End/Flanged	GB/T9113	BS EN 1092-1	ASME B16.5
Test and Inspection	GB/T13927	BS EN12266	API598
The end type and dimensions can be desinged and manufactured according to the buyers' requirements.

Main Parts and Materials:
Part Name	low Temp.Steel/Stainless Steel Material
Body	A352-LCB, A352-LCC, A350-LF2, A351-CF8, A351-CF8M, A182-F304,A182-F316
Disc	A350-LF2+ENP, A182-F304,A182-F316
Stem	A350-LF2,A276-304,A276-316
Seal ring/Seat	PEEK,NYLON,DEVLON,PTFE,PCTFE
Packing	PFTE, Lw emission combined packing,Graphite
Bolt/Nut	A320-L7, A194-4/ A193-B8,A194-8