Concentric Butterfly Valve in Lug Type with Pin

• Media: Seawater, Fresh Water
• Driving Mode: Manual
• Connection Form: Lug Support
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Model NO.: BLYH-01LT
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: ANSI, DIN, JIS
• Application: Industry, Marine
• Size: Dn25-Dn1200
• Transport Package: export wooden case
• Specification: DIN ANSI BS JIS
• Trademark: TEC
• Origin: shangdong china
• Production Capacity: 20000pcs/month

Product Description

Concentric Butterfly Valve in Lug Type with Pin
 

1. Industrial Use

The butterfly valves are widely used in piping of chemical, food, medicine, paper making, water and electricity, shipbuilding, water supply and drainage, metallurgy and energy systems, and is available for regulating and closure devices in a variety of corrosive, non - corrosive gas, liquid, semi-liquid and solid powder pipelines and containers.

1. Performance Specification

Nominal Diameter (DN)		25(1")~600(24")	25(1")~600(24")	DN (inch)
Nominal Pressure (PN)		10	16	BAR
Test Pressure	Body	15	24
	Sealing	11	17.6
Working temperatureºC		-15ºC~+150ºC
Applicable Mediums		Fresh water, sewage, sea water, air, steam, food, drug, various oil, acid, alkali, salt, etc.

Note: Applicable temperature and mediums are depending on the materials of different valve seats, bodies, stems and discs, see table 1 and table 2:

Regular Material of the Main Parts (Table 1)

Body		Disc		Stem
Name	Code	Name	Code	Name	Code
Cast Iron	GG25	Electric-plated DI	GGG40+Ni	Stainless Steel	416/316
Ductile Iron(DI)	GGG40	AL-Bronze	C954/C958		431/17-4
AL-Bronze	C954/C958	Stainless Steel	CF8/CF8M
Stainless Steel	CF8/CF8M	Coating DI	GGG40+Nylon
Carbon Steel	WCB

Properties of Valve Seat (Table 2)

Seat		Applicable TemperatureºC	Applicable Medium
Name
HYPALON		-15ºC~+120ºC	Water, some kind of oil and moderate chemicals, ozone, fat, animal fat, several of solvents, high and low pressure steam are forbidden.
EPR		-15ºC~+121ºC	Ozone, strong and chemical oxidation, several of solvents, alcohol, acid and alkali, low pressure steam, air, water, heavy water, sewage, hot and cold water.
CR		-15ºC~+99ºC	Air, water, heavy water, oil, moderate chemicals, acids, ozone, fat, animal fat, several of solvents.
NBR		-15ºC~+82ºC	Water, sea water, air, gases, chemicals, alcohol, the non aromatic agent, kerosene, animal and plant oil, light grinding medium, shall not apply to phosphate series oil and extreme pressure additive oil.
DRC		-10ºC~+50ºC	Mainly suitable for semiliquid and solid powder medium, such as mud, coal slurry, cement powder, coal powder and other powder materials.
VITON		-15ºC~+135ºC	Water, sea water, sewage, alcohol, paraffin wax, oxygen, air, etc. High Chemical resistance, especially suitable for aliphatic fragrances in high temperature environment, and animal & plant oil with halogenated hydrocarbon acid. High and low pressure steam is forbidden.
EPDM	X9	-15ºC~+150ºC	Mainly applicable to the low pressure steam with high temperature, hot & cold water and heat pipes for disposable water treatment.
PTFE		-18ºC~+200ºC	Mainly applicable to strong acid, strong alkali and other corrosive medium.

1. Cv Values

Cv values-Valve Sizing Co-efficiency (US-GPM @1ΔP)

Size	10°	20°	30°	40°	50°	60°	70°	80°	90°
2"	0.06	3	7	15	27	44	70	105	115
2.5"	0.10	6	12	25	45	75	119	178	196
3"	0.20	9	18	39	70	116	183	275	302
4"	0.30	17	36	78	139	230	364	546	600
5"	0.50	29	61	133	237	392	620	930	1022
6"	0.80	45	95	205	366	605	958	1437	1579
8"	2	89	188	408	727	1202	1903	2854	3136
10"	3	151	320	694	1237	2049	3240	4859	5430
12"	4	234	495	1072	1911	3162	5005	7507	8250
14"	6	338	715	1549	2761	4568	7230	10844	11917
16"	8	464	983	2130	3797	6282	9942	14913	16388
18"	11	615	1302	2822	5028	8320	13168	19752	21705
20"	14	791	1647	3628	6465	10698	16931	25396	27908
24"	22	1222	2587	5605	9989	16528	26157	39236	43116

Butterfly Valve in Lug Type with Pin


Materials:
Body: Ductile iron, cast iron, stainless steel and WCB
Disc: Stainless steel, Al-bronze and ductile iron
Shaft: Stainless steel (spline shaft without pins)
Seat: EPDM, NBR, Viton and PTFE
General design: API 609
Face-to-face: API 609 and EN 558 1 to 20 series
Flange drilling: ANSI class 125/150, class 300 and DIN PN10/16/25/40 JIS10K/16K
Actuating form: Hand lever, worm gear, electric actuator and pneumatic actuator
Size: DN25 to DN1200

1. Double hale-stem butterfly valve is single and compact in structure and light in weight, and easy for assembly and disassembly.
2. The operating torque of it is small, then tuing 90(it can open or clese with light and fast action)
3. It is small in flowing resistance and good in energy-savinng effect, with discharge characteristic approximating inxlined straight line.
4. It is featured by reliable sealing, zero leakage with ten thousands of opening and closing time
5. The valve can be made of various materials, adapted to all kinds of media.
6. It is used in the piplinge and vessels for conbwying various corrosive and mon-corrosice flui media in the engineering systems of water supply, generating, petroleum, gas, environmental protection and also for regulating and cutting off the off the floeing of media.

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Detailed Description of butterfly valve
Series:	double axis  butterfly valve wafer type
Design Standard:	API609/ISO5752
Size:	DN50-DN500/2" -20"
Flange:	PN6, PN10, PN16, PN25, ANSI150, ANSI125, JIS 10K, TABLE" D" , TABLE" E"
Face to face:	ISO 5752
Body:	Cast Iron/Ductile Iron/Stainless Steel
Disc:	Ductile Iron/Ni-plated ductile iron/Stainless steel/Al-Bronze
Stem:	Zine Plated Steel/ Stainless Steel
Seat:	EPDM/NBR/PTTE
Application:	petroleum, chemical industry, water and electricity, foodstuff, medicament, light textile, paper making, metallurgy etc.
Certification:	ISO9001: 2008, CE, SGS