Full PTFE Lined Butterfly Valve

• Features and performance
• 1.With the outside screw wedge elastic disc,it is used to link or shut off the fluids.
• 2.With small fluid resistance,ir enjoys an easy operation.
• 3.No limitation to the fluid flow direction.
• 4.Direct acting gear.bevel gear, pneumatic actuator.hydraulic actuator or electric actuator can be equipped if customers need.
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• Direction
• Standards
• Designing & manufacturing are according to the regulations of ANSI 16.34,API 6D,DIN 3352 and BS 1414.
• Flange is subject to ANSI 16.5,MSS-SP-44,API 605,ISO 7005.
• Face-to-face dimension is ANSI 16.10,ISO 5752,DIN 3202.
• Pressure test is according to API 598, ISO 5208.
• *Customers are titled to contact our company for items made according to other standards.
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• coding system
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• Main Properties & Materials of components & parts:

  NO.	Name	Cast iron		Carbon steel	Stainless steel
  1	Valve body	Gray Cast iron	Ductile cast iron	A216 WCB	A351 CFB
  2	Frame
  3	Seat	PTFE
  4	Disc	Gray Cast iron	Ductile cast iron	A351 CF8	A351 CF8M
  5	Lining	PTFE
  6	Seal ring	PTFE rubber
  7	Stem	A194 2H,A276 420		SS304
  Suitable mediums		Nitric acid,Acetic acid,pharmaceticals,corrosive gas
  Suitable temperature		-15~150.C

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• PN1.0MPa,PN1.6MPa,Class150

  DN	mm	40	50	65	80	100	125	150	200
  	in	11/2	2	21/2	3	4	5	6	8
  L(WA)		40	43	46	46	52	56	56	60
  L(RF)		106	108	112	114	127	140	140	152
  A		240	240	266	266	320	320	360	360
  B		132	150	170	196	210	236	276	340
  H		122	148	158	167	175	196	230	280
  H0		60	70	70	85	110	124	144	175
  W.T.(Kg)	WA	3.65	4.2	5.05	6.15	7.5	10.6	14	17
  	RF	5.8	6.4	7.3	8.4	10.4	11.7	14.5	23.8

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• PN1.0MPa,PN1.6MPa,Class150 

  DN	mm	80	100	125	150	200	250	300	350	400	450	500	600	700	800
  	in	3	4	5	6	8	10	12	14	16	18	20	24	28	32
  L(WA)		46	52	56	56	60	68	78	78	102	114	127	154	165	190
  L(RF)		114	127	140	140	152	165	178	190	216	222	229	267	292	318
  A		192	192	192	332	323	315	315	281	281	281	286	281	395	395
  B		45	45	45	66	66	78	78	120	120	120	120	120	154	154
  H		253	260	28	368	418	469	503	563	670	743	780	845	675	875
  H0		85	110	124	144	175	211	230	257	298	345	350	425	500	540
  W.T.(Kg)	WA	18.5	20	22	25	46	58	70	92	135	170	203	340	520	740
  	RF	26	32	46	58	74	95	130	150	215	290	378	540	610	880

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