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Stainless Steel 4-Lined Fluorine worm gear Butterfly Valve

Product Introduction

The stainless steel 4-lined fluorine worm gear butterfly valve features a high-quality stainless steel body and disc, lined with PTFE (polytetrafluoroethylene) resistant to 120°C high temperature, ensuring superior corrosion resistance and sealing performance. It can be equipped with a worm gear actuator or manual handle, suitable for low-to-medium pressure pipelines in water treatment, chemical, and food industries. The valve stem options include galvanized steel, 2Cr13, or stainless steel to meet diverse operational requirements.

Product Features

Excellent Corrosion Resistance

Stainless steel body and disc with PTFE lining effectively resist acids, alkalis, and chemical media.

High-Temperature Adaptability

Lining material withstands up to 120°C, ideal for most industrial applications.

Flexible Operation

Worm gear drive ensures smooth opening/closing, while the handle offers lightweight control.

Reliable Sealing

PTFE soft-seat design guarantees zero leakage and extended service life.

Multi-Material Stem Options

Choices of galvanized, 2Cr13, or stainless steel stems for varied needs.

Product Advantages

Robust Construction

Full stainless steel body enhances pressure resistance and durability.

Easy Maintenance

Modular design simplifies disassembly and part replacement.

High Versatility

Complies with ISO9001 standards, widely applicable in fluid control systems.

Cost-Effective

Offers competitive pricing without compromising performance.

Nominal diameter DN		Size (mm)														Weight (kg)
Nominal diameter DN		A	B	C	D	L	H	D₁	N-Ø	K	E	n₁-Ø₁	Ø₂	G	D₂-M	Weight (kg)
(MM)	(inch)	D7_A1/37_A1/67_A1/97_A1X-1.0/1.6
50	2"	161	80	42	52.9	32	84.84	120	4-23	77	57.15	4-6.7	12.6	118	-	2.5
65	2.5"	175	89	44.7	64.5	32	96.2	136.2	4-26.5	77	57.15	4-6.7	12.6	137	-	3.2
80	3"	181	95	45.2	78.8	32	61.23	160	8-18	77	57.15	4-6.7	12.6	143	-	3.6
100	4"	200	114	52.1	104	32	70.8	185	4-24.5	92	69.85	4-10.3	15.77	156	-	4.9
125	5"	213	127	54.4	123.3	32	82.28	215	4-23	92	69.85	4-10.3	18.92	190	-	7
150	6"	226	139	55.8	155.6	32	91.08	238	4-25	92	69.85	4-10.3	18.92	212	-	7.8
200	8"	260	175	60.6	202.5	45	112.89/76.35	295	4-25/4-23	115	88.9	4-14.3	22.1	268	-	13.2
250	10"	292	203	65.6	250.5	45	92.4	357	4-29	115	88.9	4-14.3	28.45	325	-	19.2
300	12"	337	242	76.9	301.6	45	105.34	407	4-29	140	107.95	4-14.3	31.6	403	-	32.5
350	14"	368	267	76.5	333.3	45	91.11	467	4-30	140	107.95	4-14.3	31.6	436	-	41.3
400	16"	400	309	86.5	389.6	51.2/72	100.47/102.42	515/525	4-26/4-30	197	158.75	4-20.6	33.15	488	-	61
450	18"	422	328	105.6	440.51	51.2/72	88.39/91.51	565/585	4-26/4-30	197	158.75	4-20.6	38	539	-	79
500	20"	480	361	131.8	491.6	64.2/82	96.99/101.68	620/650	4-26/4-33	197	158.75	4-20.6	41.15	539	-	128
600	24"	562	459	152	592.5	70.2/82	113.42/120.46	725/770	4-30/4-36	276	215.9	4-22.2	50.65	816	-	188
700	28"	624	520	163	695	66/82	109.65	840	20-30/24-36	300	254	8-18.0	55/63.35	895	4-M33	284
800	32"	672	591	188	794.7	66/82	124	950	24-33/24-39	300	254	8-18.0	55/63.35	1015	-	368
900	36"	720	656	203	864.7	118	117.57	1050	28-33	300	254	8-18.0	75	1115	4-M30	713
1000	40"	800	721	216	965	142	129.89	1160	28-36	300	254	8-18.0	85	1230	4-M33	864
1200	48"	900	780	254	1020	180	141.33	1340	32-39	300	254	8-18.0	95	1450	4-M36	1130

Basic Information

Model NO.	D71X / D371X / D671X / D971X	Connection Form	Wafer
Structure	Centre Sealing	Seal Form	Force Sealed
Valve Stem	Normal	Work Pressure	0.6MPa / 1.0MPa / 1.6MPa / 2.5MPa / Class150
Working Temperature	Normal Temperature (-40°C < T < 120°C)	Material of Seal Surface	Soft Sealed / Hard Sealed
Valve Body	Casting	Standard	API 609
Application	Industrial Usage, Water Industrial Usage, Household Usage	Seated Material	EPDM, NBR, PTFE, FKM
Certification	ISO9001	Flow Resistance	Low Resistance
Transport Package	Export Wooden Crate	Specification	DN25 - DN1600
Origin	China	HS Code	8481804090
Production Capacity	50,000 pieces/Year

Technical Parameters

Size	DN32-DN600	DN650-DN2000
Working pressure	16Bar	10Bar
Shell	24Bar	15Bar
Seal	18Bar	11Bar
Operating Temperature	-45°C~+150°C
Operating Environment	Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water
Driving Method	Hand Lever Worm Gear Electric Pneumatic

Executive Standards

Design Standard	EN 593, MSS SP67, API 609, BS 5155
Inspection & Test	API 598, ISO 5208, EN 12266
End Standard	ANSI B16.1 CL. 125LB & B16.5 CL. 150LB
	AS 2129 Table D & E
	BS 10 Table D & E
	DIN 2501 (PN6, PN10, PN16)
	EN 1092 (PN6, PN10, PN16)
	ISO 2531 (PN6, PN10, PN16), 7005 (PN6, PN10, PN16)
	KS B / JIS B 1511 / 2210 (5K & 10K)
	MSS SP44 CL. 150LB
	AWWA C207
	SABS 1123 Table 1000/3 & Table 1600/3
Face to Face	ISO 5752, EN 558, MSS SP67, API 609, DIN 3202
Top Flange	ISO 5211