Weir Type PTFE Lined Diaphragm Valve

• Media: Acid
• Temperature: Ordinary Temperature
• Actuator: Manual
• Connection: Flanged Diaphragm Valve
• Material: Cast Steel
• Structure: Roof Type Diaphragm Valve
• Model NO.: G41F
• Pressure: Low Pressure
• Flow Direction: Bidirectional
• Function: Pn1.0-2.5
• Usage: Flow Control
• Standard: DIN, GB, ANSI, JIS
• Lined Material: PTFE, FEP, PFA
• Transport Package: Wooden Case
• Specification: DN20-DN300
• Trademark: LIANKE
• Origin: Wenzhou
• HS Code: 8481804090
• Production Capacity: 1000pieces/Month

Product Description

Product details

weir type PTFE lined diaphragm valve (G41PTFE/PFA/FEP)

Main parts and materials

Name/Material	WCB	CF8	CF3	CF8M	CF3M
Body	WCB	CF8	CF3	CF8M	CF3M
Diaphragm	EPDM+FEP/PFA	EPDM+FEP/PFA	EPDM+FEP/PFA	EPDM+FEP/PFA	EPDM+FEP/PFA
Lined	FEP / PFA / PO / PTFE
Seat	PTFE / RPTFE
Bolt/Nut	B7/2H	B8/8	B8/8	B8M/8M	B8M/8M

Technical Specification

Design&Manufacture Standard		GB/T12235		API 6D
FTF Dimension Standard		HG/T3704, GB/T12221		ASME B16.10
Flange standard		HG/T20592, GB/T9119		ASME B16.5, JIS B2220
Inspection & Test Standard		HG/T13927, JB/T9092		API 598
Normal Diameter		DN15~DN350		1/2"~14"
Normal Pressure		1.0MPa	1.6MPa	150LB
Test pressure	Shell Test	1.5MPa	1.5MPa	1.5MPa
	High Pressure Test	1.1MPa	1.1MPa	1.1MPa
	Low Pressure Test	0.6MPa	0.6MPa	0.6MPa
Temperature Range		FEP:-29ºC~120ºC, PFA:-29ºC~180ºC, PTFE:-29ºC~150ºC
Applicable Medium		Strong corrosion medium: Hydrochloric acid, Nitric acid, Liquid chlorine, Sulfuric acid and Aqua regia etc.

The main connection size

DN (mm	PNS (Inch)	L	D	D1	D2	f	b	Z-Φd	Do	H
		PN1.0MPa/1.6MPa
15	1/2	125	95	65	45	3	15	4-14	120	120
20	3/4	135	105	75	55	3	17	4-14	120	120
25	1	145	115	85	65	3	17	4-14	160	130
32	1-1/4	160	140	100	75	3	19	4-18	160	135
40	1-1/2	180	150	110	85	3	19	4-18	180	160
50	2	210	165	125	100	3	21	4-18	200	165
65	2-1/2	250	185	145	120	3	21	4-18	250	200
80	3	300	200	160	135	3	21	8-18	280	220
100	4	350	220	180	155	3	23	8-18	300	275
125	5	400	250	210	185	4	24	8-18	320	335
150	6	460	285	240	210	4	26	8-23	350	380
200	8	570	340	295	265	4	26	8/12-23	450	500
250	10	680	395	350	320	4	28	12-23/26	500	575

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Company Information

LIANKE VALVE CO.,LTD  started  since 1982, manufacturing and supplying strainers,pinch valves,lined valves with CE certification, providing the company's customers with access to qualified products and an ISO 9001:2015 quality level resulting in approved valves and strainers in the market.

 

Pinch Valves are cost effective solutions for abrasive and corrosive installations in industrial process plants.

Strainers are effective solution for the mechanical removal of unwanted solids, or removing impurities in the medium to protect the normal use of valves and equipment.

Fluorine lined valves are suitable for chemical and corrosion resistant conditions.

 

 

Product range :

1) Pinch valves    

2) Fluorine lined valves   

3) Strainers (Y type strainer, basket strainer, duplex basket strainer, T type strainer, bag strainer, etc.)

 

Application scope :

Abrasive or corrosive slurries, muddy sediment, silty  liquid powders or coarse substances, irrigation, paper coating, refining, petroleum, chemical industry, metallurgy, electricity, medicine, chemical fertilizer, phosgene (highly toxic), wastewater treatment, etc .

 

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