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Lug against clamp butterfly valve

In addition to being connected between the two pipes by two ordinary hexagonal bolts, the "LI" type can also be installed at the end of the pipe, that is, the single clamp type is used as a emptying valve.

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Hualida Valve

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Analysis of valve plates

Part Name	Material Name	Adapt size	PH value	Chlorine content (ppm)	Applicable temperature	Advantages of material	Applied Environment
Butterfly plate	SAF2507 Super double steel, S3 surface quality	DN40 ~ 1200	≥ 3,0	<30,000	<35~150 ℃	Extremely wear resistance, corrosion resistance, Habits with high flow rate	Limestone solution Gypsum suspension Washing slurry Gipsum suspension Craft water, waste water, etc. D.
	DIN1.4529 Super Double Stainless Steel		≥ 5,0	<5,000
	C276 Corrosion Resistant Solid Nickel Based Surface S3 Quality		≥ 2,5	<50,000
	Хостал Гур		≥ 2,5	<50,000
	CF3M Ultra-low Carbon Stainless Steel		≥ 5,0	<5,000		Corrosion resistance	Craft water, waste water, etc. D.

Valve seat analysis

Part Name

Material Name

Adapt size

PH value

Chlorine content

Applicable temperature

Advantages of material

Applied Environment

Valve seat (valve lining)

CSM elastic glue

DN40 ~ 1200

≥ 0

<150,000

≤ 35 ~ 150 ℃

Resistance to abrasion and corrosion

Limestone suspension, gypsum suspension

Pā commonly referred to as a sleeper,

Craft water, waste water, etc. D.

EPDN

Socket EPDM

≥ 2,5

Habits with high flow rate

Metal valve material, non-metallic material, corrosion resistance and heat resistance

Material

Applicable temperature (°C)

Environment and applicability

Features

Fresh water

Sea Water

Strong alkali

Weakly alkali

Strong acid

Weakable acid

Alcohol

Air

Steam

Oil

Edda

Seat Valve Seat

NBR

-23 ℃-93 ℃

With

Oil resistant

EPC

-46 ℃-135 ℃

With

Anti-aging

-20 ℃-85 ℃

With

High elasticity

-29 ℃ ~ 99 ℃

With

Resistance to abrasion and aging

-55 ℃ ~ 180 ℃

With

Resistance to high temperature

FPM

-23 ℃-200 ℃

With

Anticorrosive, high temperature

PTFE

-20 ℃ ~ 180 ℃

Anti-corrosion all chemical environments

Valve plate

Electroplated iron

-30 ℃-350 ℃

With

Heat Resistant

Polyamide

-30 ℃-100 ℃

With

Anti-corrosion, anti-alkali

PCR

-30 ℃-140 ℃

With

Anti-corrosion, acid-resistant

PTFE

-20 ℃-180 ℃

Anti-corrosion, all chemical environments

PFA

-20 ℃ ~ 180 ℃

Anticorrosive, high temperature

Stainless Steel

-252 ℃ ~ 316 ℃

With

Anticorrosive, high temperature

Aluminum Bronze

-212 ℃ ~ 232 ℃

With

Heat resistance, resistance to ordinary temperature

Titan

-196 ℃ ~ 550 ℃

With

Anticorrosive, high temperature

Note: A is very suitable, B is suitable, C is limited use, D is not suitable.

Butterfly Valve type "LT" Main dimensions and weight

DN		A	B	With	D	L	H	D1	N-Φ	К	E	N1-Φ1	Φ2	D	Wes Weight(kg)
Mm	Deum	A	B	With	D	L	H	D1	N-Φ	К	E	N1-Φ1	Φ2	D	Wes Weight(kg)
50	2 inch	161	80	42	52,9	32	88,38	125	4-M16	77	57,15	4-6,7	12,6	118	3,8
65	2.5 inches	175	89	44,7	64,5	32	102,54	145	4-M16	77	57,15	4-6,7	12,6	137	4,2
80	3 inches	181	95	45,2	78,8	32	61,23	160	8-M16	77	57,15	4-6,7	12,6	178	4,7
100	4 inches	200	114	52,1	104	32	68,88	180	8-M16	92	69,85	4-10,3	15,77	206	9,0
125	5 inch	213	127	54,4	123,3	32	80,36	210	8-M16	92	69,85	4-10,3	18,92	238	10,9
150	6 inch	226	139	55,8	155,6	32	91,84	240	8-M20	92	69,85	4-10,3	18,92	266	14,2
200	8 inch	260	175	60,6	202,5	45	112,89 76,35	295	8-M20 12-M24	115	88,9	4-14,3	22,1	329	18,2
250	10 inch	292	203	65,6	250,5	45	90,59 91,88	350 355	12-M20 12-M24	115	88,9	4-14,3	28,45	393	26,8
300	12 inch	337	242	76,9	301,6	45	103,52 106,12	400 410	12-M20 12-M24	140	107,95	4-14,3	31,6	462	40
350	14 inch	368	267	76,5	333,3	45	89,74 91,69	460 470	16-M20 16-M24	140	107,95	4-14,3	31,6	515	56
400	16'	400	309	86,5	389,6	51,2 72	100,48 102,42	515 525	16-M24 16-M27	197	158,75	4-20,6	33,15	579	96
450	18 inch	422	328	105,6	440,51	51,2 72	88,38 91,51	565 585	20-M24 20-M27	197	158,75	4-20,6	38	627	122
500	20 inch	480	361	131,8	491,6	64,2 82	96,99 101,68	620 650	20-M24 20-M30	197	156,25	4-20,6	41,15	696	202
600	24	562	459	152	592,5	70,2 82	113,42 120,46	725 770	20-M27 20-M33	276	215,9	4-22,2	50,65	821	270

Note

DN50 2 "~ Type 600 Butterfly Valve 24" LT "is suitable for two PN1.0/PN1.6 MPa pressure stages, each of which has two sizes, respectively, denoting two sizes of the PN1.0PN/1.6MPa pressure stage connection. The pipe flange joint ruler connected to the valve refers to the size table of the flange connection. The upper throttle flange can be used for manual, worm, electric, pneumatic and other transmission devices.

The structure, characteristics and material of the "LT" type throttle are the same as that of "A". The difference is that type "A" can be connected between two tube flanges via a two-headed hairpin or an elongated hex bolt. In addition to the connection between the two pipes with two conventional hex bolts, the "LI" type can also be installed at the end of the pipe, that is, in the form of a single clamp, as a drainage valve, but the end of the pipe must be specified in the order contract.

● The above two forms are specified by the user in the order contract.

● Flange connection size complies with G4216 DIN2501 BS4504 BS10-E JISB2220 AS2129 ANSIB16.1 etc. D. The user must specify in the contract.

Tianjin Hualida Valve Co., Ltd.

Address: Tianjin Jinan Industrial Development Zone
Mobile Phone: +86 15022758886
Website: www.hualidavalve.com
Mailbox: hualidavalve@163.com

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