API Flanged Extended Stem Cryogenic Ball Valve (GADQ41F)

• Material: Carbon Steel, Stainless Steel
• Connection Form: RF
• Driving Mode: Manual
• Nominal Pressure: ANSI CLASS 150-900
• Channel: Straight Through Type
• Structure: Floating Ball Valve
• Model NO.: GADQ41F
• Type: Floating Ball Valve
• Function: Blow-Down Valve
• Temperature: Low Temperature
• Application: Industrial Usage
• Body Design: 2 PCS Side Entry Design
• Design Pressure: Class 150lb-900lb
• Bore Type: Reduced Bore/ Full Bore
• Sealing Material: Rtfe/Nylon/Peek
• Bonnet Design: Extended Bonnet/Stem
• Transport Package: Plywood Case
• Specification: CE, SGS, GMP
• Trademark: GOOLE, OEM
• Origin: Wenzhou, Zhejiang, China
• HS Code: 8481804090
• Production Capacity: 10, 000PCS/Year

Product Description

Flange connection Cryogenic ball valve is used for low temperature working condition,especially for some hazard media, such as liquidized natural gas. Applied to LNG plant, LNG receiving station, LNG gasification station and LNG carrier and ship.
 
Flange connection Cryogenic ball valve main parameter
Nominal diameter: DN15- DN250
Nominal pressure: 150LB- 300LB
Working temperature:-196 - +29ºC
Driving means: handle, electric actuator
Material: Stainless steel, Forged Steel , LCC/LCB, CF8/CFM8
 
Flange connection Cryogenic ball valve technology standard
Design standard: API 6D , ASME B16.34
Structural length: API 6D, ASME B16.10
Test & inspection :API 6D, API 598
Pressure and temperature:ASME B16.34
Flange ends :ASME B 16.5 , JB/T 79
The size of valve connecting flange can be designed according to customer's requirement.
 
Flange connection Cryogenic ball valve feature:
1. An extended bonnet to the valve can make the packing gland in the valve and the actuator further away from the cold process so the valve can open and close properly, protect it from freeze-damage caused by low temperature fluid.
2. Low operating torque for smoother operations.
3. Excellent seat and seal design minimizes leakage.
4. Fire-safe design.
5. Rigid body construction minimizes thermal shrinkage.
6. By adopting different materials, the cryogenic ball valve is applicable to different working temperature and medium. The minimum temperature for the ball valve is -196ºC. 

  
 Class 150~600 LB Floating Ball valve  Advantage:
1. The fluid resistance is small, its resistance coefficient with section of equal length.
2. Simple structure, small volume, light weight.
3. Compact and reliable, the widespread use of plastic ball valve sealing surface of materials, good sealing, also has been widely used in the vacuum system.
4. Easy to operate, open and close quickly
5. Easy maintenance, simple structure of ball valve, sealing ring, which generally remove replacement is more convenient.
6. In the fully open or fully closed, the ball and seat sealing surface and the dielectric isolation, medium through, can not cause the valve sealing surface erosion.
7. Applicable scope is wide, size from small to several millimeters, big to a few meters, from high vacuum to high pressure can be applied.
 
Main Parts and Materials.
 

	No	Part Name	Materials
			-46°C~-101°C~-196°C
	1	Left Body	A352-LCB,LCC,LC3,A351-CF8,A351-CF8M
	2	Seat	PTFE,RPTFE,PEEK,PPL,POM,KARBATE
			NYLON,MOLON,DEVLON
	3	Ball	A182-F304,F316
	4	O-ring	VITON
	5	Gasket	Flexible graphite+304,flexible graphite+316,PTFE
	6	Bolt	A194-4,8,8M
	7	Nut	A320-L7,A193-B8,B8M
	8	Right body	A352-LCB,LCC,LC3,A351-CF8,CF8M
	9	Spring	ss304,316
	10	Small ball	PTFE
	11	Thrust washer	A182-F6,F316,F316
	12	Stem	Flexible graphite,PTFE
	13	Gasket	A182 F6,F304,F316
	14	Packing	A352 LCB,A351 CF8
	15	Gland	1025,stainless steel
	16	Gland flange	A216 WCB
	17	Stop plate	1025
	18	Lever	1035,stainless steel
	19	Screw	A352-LCB,LCC,LC3,A351-CF8,CF8M
	20	Screw	1035,stainless steel
	21	Extended bonnet	A352-LCB,LCC,LC3,A351-CF8,CF8M,
	22	Screw	1035,stainless steel
	23	Bushing	A182-F6,F304,F316

Main External Dimensions.
 

	Size(in)	H
		-46°C	-101°C	-196°C
	1/2	90	110	130
	3/4	100	110	140
	1	100	120	150
	1 1/2	110	130	160
	2	110	130	170
	3	120	150	190
	4	130	160	200
	6	140	170	220
	8	140	170	220
	10	150	180	240
	12	150	180	240
	14	160	190	250
	16	160	190	250
	18	160	190	250
	20	170	200	260
	24	170	200	260

Class 150~300 floating ball valve dimensions 

Dimensions
Class 150
Size	inch	1/2	3/4	1	1-1/2	2	2-1/2	3	4	6	8
L-RF	mm	108	117	127	165	178	191	203	229	394	457
L1-BW	mm	140	152	165	190	216	241	283	305	457	521
L2-RTJ	mm	-	-	140	178	191	203	216	241	406	470
WT.	Kg	3	4	5	8	12	21	26	43	80	155

 

Dimensions
Class 300
Size	inch	1/2	3/4	1	1-1/2	2	2-1/2	3	4	6	8
L-RF	mm	140	152	165	190	216	241	283	305	403	502
L1-BW	mm	140	152	165	191	216	241	283	305	457	521
L2-RTJ	mm	151	165	178	203	232	257	298	321	419	518
WT.	Kg	3	5	7	13	15	28	32	55	105	17