JQV Series Knife Valve

JQV Knife Valve


JQV Series Unidirectional Seal Knife Valve/Heavy Seat Replaceable

Product Description: JQV Series knife gate valve is with replaceable rubber seal knife gate
structure, its sealing principle is mainly by the close connection between the gate and rubber seals. Its main character is that the rubber sealing ring is set in seat groove and is locked by metal seat, which will prevent rubber seal off when opening and closing the valve. This valve is cost-effective.

Knife Gate Valve Structure diagram

Model: JQVZ73X
Working Pressure: DN50-DN100 16bar, DN125-DN200 14bar, DN250-DN300 12Bar, DN350-DN400 10bar, DN450-DN550 8bar, DN600-DN650 5bar, DN700-DN750 4bar, DN800-DN900 3bar, DN1000-DN1400 2bar
Type: Wafer,Lug
Design Standard: MSS SP-81
Flange Standard: DIN PN10,PN16,150LB ,JIS 10K,TABLE E/D
Face to Face: MSS SP-81
Testing Standard: API-598
Operation: handwheel, electric, pneumatic, hydraulic, sprocket, electro-hydraulic, gear
Main Material: GGG40,CF3M,CF8M,CF8,WCB,
Wedge Material: SS316L,SS304
Sealing Material: NBR, EPDM,FKM,Metal to Metal
Packing: Aramid fiber,high-water-based rubber packing graphite wheel
Applicable Medium: Applicable for coal in power plant, slag discharge, sewage treatment, food, paper making, medicine, petroleum and chemical industry, water, oil, steam, connecting or cutting grout, gold powder, ores, slag, coal, pulp, wood pulp, tailings, fibers, dust, chemicals, sewage-treatment, sedimentation tanks, asphalt, bunker export, fruit juices, cereals, slaughter plant waste and other media. Especially used for mining in electricity plant



Knife Valve Structure diagram

DIN2632 PN10

DNLDD1D2D0N-ThdH1
5048165125991804-M16Ø18260
65481851451182004-M16Ø18292
80512001601322008-M16Ø18320
100512201801562408-M16Ø18358
125572502101842608-M16Ø18395
150572852402112808-M20Ø23450
1755730526523728012-M20Ø23504
200703402952663008-M20Ø23532
2507039535031932012-M20Ø23670
3007644540037035012-M20Ø23758
3507650546042940016-M20Ø23857
4008956551548045016-M24Ø27946
4508961556553050020-M24Ø271023
50011467062058250020-M24Ø27Gear
55011472568063820-M27Ø30Gear
60011478072568220-M27Ø30Gear
70012789584079424-M27Ø30Gear
800127101595090124-M30Ø33Gear
90012711151050100128-M30Ø33Gear
100014912301160111228-M33Ø36Gear
110014913401260122028-M33Ø36Gear
120015614551380132832-M36Ø39Gear
1400167516751590153040-M39Ø42Gear

ANSI 150LB

DNLDD1D2D0N-ThdH1
2″48152121921804-5/8″Ø19260
2-1/2″481781401052004-5/8″Ø19292
3″511911531272004-5/8″Ø19320
4″512291911572408-5/8″Ø19358
5″572542161862608-3/4″Ø22395
6″572792422162808-3/4″Ø22450
8″703432992703008-3/4″Ø22532
10″7040636232432012-7/8″Ø25670
12″7648343238135012-7/8″Ø25758
14″7653347641340012-1″Ø29857
16″8959754047045016-1″Ø29946
18″8963557853350016-1 1/8″Ø321023
20″11469963558450020-1 1/8″Ø32Gear
22″11475069264120-1 1/4″Ø35Gear
24″11481375069120-1 1/4″Ø35Gear
26″11487080674924-1 1/4″Ø35Gear
28″12792786480028-1 1/4″Ø35Gear
30″12798591485728-1 1/4″Ø35Gear
32″127106097891428-1 1/2″Ø41Gear
34″1271110102996532-1 1/2″Ø41Gear
36″12711701086102232-1 1/2″Ø41Gear
38″14912401149107332-1 1/2″Ø41Gear
40″14912901200112436-1 1/2″Ø41Gear
42″14913451257119436-1 1/2″Ø41Gear
44″14914051314124540-1 1/2″Ø41Gear
46″14914551365129540-1 1/2″Ø41Gear
48″15615101422135944-1 1/2″Ø41Gear
50″15615701480141044-1 3/4″Ø51Gear
52″15616251537146144-1 3/4″Ø51Gear
54″17116851594151144-1 3/4″Ø51Gear
56″17117451651157548-1 3/4″Ø51Gear

PN10 Threaded hole and Tapping hole

PN10 Threaded hole and Tapping hole

PN10

DND1NMTThread HoleTapping Hole
501254M161322
651454M161322
801608M161326
1001808M161326
1252108M161626
1502408M161626
2002958M202026
22531012M202066
25035012M202048
30040012M202066
35046016M2020106
40051516M2424106
45056520M2424146
50062020M2424146
55068020M2724146
60072520M2727146
70084024M2727186
80095024M3030186
900105028M3030226
1000116028M3333226

150LB Threaded hole and Tapping hole

150LB Threaded hole and Tapping hole

DN T ANSI 150LB

DND1NMTThread HoleTapping Hole
2″1214M5/8-111222
2-1/2″1404M5/8-111222
3″1534M5/8-111222
4″1918M5/8-111226
5″2168M3/4-101226
6″2428M3/4-101426
8″2998M3/4-101626
10″3628M7/8-91626
12″43212M7/8-91666
14″47612M1-81866
16″54016M1-820106
18″57816M1 1/8-720106
20″63520M1 1/8-724146
22″69220M1 1/4-724146
24″75020M1 1/4-727146
26″80624M1 1/4-727186
28″86428M1 1/4-727226
30″91428M1 1/4-727226
32″97828M1 1/2-630226
34″102932M1 1/2-6302012
36″108632M1 1/2-6302012
40″120036M1 1/2-635288