Fluorine lined straight lift check valve-Fluorine valve series-衬氟阀厂家-上海冠环阀门制造有限公司

Product Description

The Fluorine lined straight lift check valve is also called a check valve. The internal flow channel seal of the valve body is fully lined with PTFE, which has the characteristics of high strength and good corrosion resistance. It is suitable for various concentrations of aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids and strong oxidants at temperatures of -50℃～150℃. FEP is also suitable for various concentrations of strong alkali organic solvents and other corrosion products. It is used to prevent the backflow of the medium on the pipeline of the inert gas and liquid medium.

Material of main parts

NO	Part Name	Grey cast iron	Cast steel	Stainless acid-resistant cast steel		Ultra-low carbon stainless acid-resistant cast steel
NO	Part Name	Z	C	P	R	PL	RL
1	Body/bonnet	HT250	WCB	CF8	CF8M	CF3	CF3M
2	Disc/Stem	35	1Cr13	1Cr18Ni9	1Cr18Ni12Mo2Ti	00Cr18Ni10	00Cr17Ni14Mo2
3	Lining/Seat	PCTEF（F3）,FEP（F46）,PFA（SolubleF4）,PP,PO
4	Fastening bolts	WCB		1Cr17Ni2		1Cr18Ni9Ti
5	Nut	PTFE（F4）		CF8		CF8

Main external connection dimensions PN0.6MPa

Nominal Diameter		Standard value							Reference value
DN（mm）	NPS（inch）	L	D	D1	D2	f	b	Z-Φd	B	H	W（kg）
15	1/2	130	80	55	40	2	12	4-Φ12	105	55	4
20	3/4	150	90	65	50	2	14	4-Φ12	115	58	5
25	1	160	100	75	60	2	14	4-Φ12	128	60	6
32	1 1/4	180	120	90	70	2	16	4-Φ14	145	75	7
40	1 1/2	200	130	100	80	3	16	4-Φ14	160	82	8
50	2	230	140	110	90	3	16	4-Φ14	178	95	10
65	2 1/2	290	160	130	110	3	16	4-Φ14	205	105	20
80	3	310	185	150	125	3	18	4-Φ18	230	120	25
100	4	350	205	170	145	3	18	4-Φ18	255	135	30
125	5	400	235	200	175	3	20	8-Φ18	305	158	50
150	6	480	260	225	200	3	20	8-Φ18	345	180	65
200	8	495	315	280	255	3	22	8-Φ18	415	215	137
250	10	622	370	335	310	3	24	12-Φ18	490	240	150
300	12	698	435	395	362	4	24	12-Φ23	540	265	185
350	14	787	485	445	412	4	26	12-Φ23	585	300	215
400	16	914	535	495	462	4	28	16-Φ23	625	360	244
450	18	978	590	550	518	4	28	16-Φ23	680	385	276
500	20	978	640	600	568	4	30	16-Φ23	740	415	315