FEP / PFA / Gxpo Anti Corrosive Lined Ball Type Check Valve

• Model NO.: GLH40 / GLSH40
• Flow Direction: Unidirection
• Standard: AISI, GB etc
• Application: Industrial Usage
• Transport Package: Bubble Plastic Paper + Plywood Case
• Specification: DN15 ~ DN150
• Trademark: KARFAR

Product Description

The KARFAR Lined check valve only allows medium flows in one direction, and prevent fluid flow backwards. The valve automatically works under hydraulic pressure, When there is back flow, the PTFE ball inside the body will rest on the seat by backflow pressure and its own weight and cut off back flow.

▪ Lined check valves has many types, all of which fulfill the same basic purpose, namely to allow fluid move forward, but to stop flow backwards. They prevent the back-flow of liquids in pipelines, prevent siphoning of pumps and eliminates pump impeller rotation in opposite direction due to back-flowing media. Generally check valvev can work automatically . Under the pressure forceof one direction flow, the disc opens, while when the liquid backflows, the valve will shut off. 

▪KARFAR lined ball type check valve H40 do not have a spring to assist closing, which limit their use to vertical lines with upwards forward flow. The solid PTFE ball inside body chamber guarantees that ball rolls into the seat due to gravitation. Self-cleaning are achieved due to non stop rotation of the ball and prevents solid particles precipitation. 

▪KARFAR lined sight-glass ball type check valve SH40 is for safe flow control, with visual flow observation. 

▪This valve can be used in any corrosive medium in addition to the "molten alkali metals and fluorine elements". It is an ideal product used in chlor-alkali, industrial in organic chemicals, metal and mining, nitrogen and phosphatic fertilizers, petroleum refining, pharmaceutical etc. 

▪Lining material: PFA, FEP, PO etc.

▪KARFAR lined check valves are available as per the needs of applications in additional sizes and other than standard materials.

Material Specification:

No.	Name	Material
1	Body ,Disc,Bonnet	A216 WCB+Lining material	A351 CF8/A351 CF8M+Lining material	A351 CF3 /A351 CF3M +Lining material
2	Ball	PTFE
3	Lining material	FEP /  PFA / GXPO
4	Bolt	A193 B7	A320 B8	A193B8M

Technical Specification:

Design & Manufacture Standard		HG/T 3704, GB/T 12235		API 6D
Face-to-face Dimension		HG/T 3704, GB/T 12221		ASME B16.10
Flange Standard		HG/T 20592, GB/T 9119		ASME B16.5, JIS B2220
Inspection and Test Standard		GBT 13927, JB/T 9092		API 598
Nominal Diameter		DN15~DN400		1/2"~16"
Nominal Diameter( MPa)		1.0	1.6	150Lb
Pressure Test ( MPa)	Shell Test	1.5	1.5	1.5
	High Pressure Sealing	1.1	1.1	1.1
	Low Pressure Sealing	0.6	0.6	0.6
Temperature Range(ºC)		PFA: -30~200ºC;   FEP -30~150ºC;  GXPO -10~80ºC;
Applicable medium		Strong corrosive medium i.e. hydrochloric acid, Nitric acid, Hydrofluoric acid, Liquid chlorine, Sulfuric Acid and Aqua regia etc.

Note: Test standard refers general valve standard, high pressure should be customized for processing




ANSI standard Lined Ball Type Check Valve



ASME B16.5 Class150

DN	L	D	D1	D2	Z-d	f
1/2	130	89	60.5	35	4-16	2
3/4	150	98	70.0	43	4-16	2
1	160	108	79.5	51	4-16	2
1 1/4	180	117	89.0	64	4-16	2
1 1/2	200	127	98.5	73	4-16	2
2	230	152	120.5	92	4-19	2
2 1/2	290	178	139.5	105	4-19	2
3	310	190	152.5	127	4-19	2
4	350	229	190.5	157	8-19	2
5	400	254	216.0	186	8-22	3
6	480	279	241.5	216	8-22	3

GB standard Lined Ball Type Check Valve
HG/T 20592 PN10 Unit:mm

DN	L	D	D1	D2	Z-d	f	b
15	130	95	65	45	4-14	2	14
20	150	105	75	55	4-14	2	14
25	160	115	85	65	4-14	2	14
32	180	140	100	78	4-18	3	16
40	200	150	110	85	4-18	3	16
50	230	165	125	100	4-18	3	16
65	290	185	145	120	4-18	3	18
80	310	200	160	135	8-18	3	20
100	350	220	180	155	8-18	3	20
125	400	250	210	185	8-18	3	22
150	480	285	240	210	8-23	3	24

 

HG/T 20592 PN16

DN	L	D	D1	D2	Z-d	f
15	130	95	65	45	4-14	2
20	150	105	75	55	4-14	2
25	160	115	85	65	4-14	2
32	180	140	100	78	4-18	3
40	200	150	110	85	4-18	3
50	230	165	125	100	4-18	3
65	290	185	145	120	4-18	3
80	310	200	160	135	8-18	3
100	350	220	180	155	8-18	3
125	400	250	210	185	8-18	3
150	480	285	240	210	8-23	3

KARFAR competitive advantages:
*Well and high Quality Control
*Prompt Delivery
*Customer's Designs and Logos are welcome
*Competitive Price
*Small order Acceptable