PTFE Liner Stainless Steel Wafer Butterfly Valve

• The material selection of stainless steel wafer butterfly valve in accordance with relevant standards, and refuses to cut corners.
• Standard structure,Thick casting,Quick and light opening and closing, convenient maintenance.
• Strong corrosion resistance: The PTFE lining is not easily eroded by corrosive media such as acids and alkalis, so it can maintain the service life of the valve body.
• Application fields: PTFE lining is not only suitable for liquid media, but also suitable for fluid control in various working conditions such as gas and steam.
• Good stability: PTFE lining can fix the internal rubber and prevent it from deforming during use.

Following is the difference between PTFE Liner, Silicone Rubber Seat and PTFE Seat wafer butterfly valve.

DN50-DN200

SIZE	∅D	øK	n-∅d0	øD1	d	L	L1	H	H1	H2	W
DN50	53	120.7	4-∅19	76.3	45	43	46	25	140	64	170
DN65	64.5	139.7	4-ø19	94	59.4	45.6	49	25	143	80	170
DN100	104	190.5	4-∅19	135	97	52.1	56	25	170	96.7	215
DN125	123.2	215.9	4-∅22.4	166	117	56	60	25	190	117	215
DN150	156	241.3	4-∅22.4	188.4	146.3	56	60	25	210	137	215
DN200	202	298.5	4-ø22.4	238.2	193.7	60	64	35	235	168	265

DN80

SIZE	∅D	øK	n-∅d0	øD1	d	L	L1	H	H1	H2	W
DN80	77.3	152.4	4-∅19	103.9	78	45.2	49.3	25	155	94.4	170