TOBO STEEL GROUP CHINA
Flanged DN25 PN 10 Stainless Steel 304 ANSI 150 LBS Knife Gate Valve
Quick Details:
| Product Name | Material |
| Valve Body | Ductile iron, Carbon steel, Stainless steel |
| Knife | Stainless steel |
| Stem | Stainless steel |
| Handwheel | Cast iron |
| Sealing | NBR/EPDM/PTFE or Metal Seat |
Product Description
Specifications
Type: Bi-directional gate valve
Size range: 50mm to 600mm (higher sizes on application)
Pressure rating: CWP-10 bar
Endstyle: Full lug
Face-to face: As per MSS SP-81
Drilling: Suitable for mounting between flanges drilled to ANSI 150lb (standard); others on request.
Body: Stainless steel; carbon steel. Others on application
Seat: Replaceable, elastomer cord seal; chloroprene standard; max. service temp- 80 deg C
Gate: 304/316 stainless steel plated is standard; others on request
Stem: 304 st. steel standard; others on request
Superstructure: Steel yoke, epoxy plated standard; others on request
Actuator options: Direct mounted rising stem hand wheel standard; non- rising hand wheel, chain wheel,
geared hand wheel, pneumatic cylinder and electric actuator options available
Special: Can be provided with bolt-on bonnet where required
| Size Range: | DN50~600mm NPS 2”-24” (Larger size on request) |
| Max Working Press.: | DN50~DN250: 10Bar NPS2~NPS10:150Psi |
| DN300~DN450: 7Bar NPS12~NPS18:90Psi | |
| DN500~DN600: 4Bar NPS20~NPS24:60Psi | |
| Temp. Range: | -29...+800℃ |
| Seal Tightness: | According to MSS SP-81 |
| Body Material: | Carbon Steel, Stainless Steel, Special Allory |
| Gate Material: | Stainless Steel Chrome Plated, Special Allory |
| Seat Material: | Stainless Steel+STL |
| EPDM (120°C) /Viton(200°C)/PTFE(200°C) /NBR(90°C) | |
| Face to Face: | MSS SP-81 |
| Flange Standard: | GB/T 9113.1, JB/T 79.1, HG 20592, ASME B16.5, EN1092-1 |
| Applications: | Pulp & Paper, Water Treatment,Beverage & Food,Fine Chemical, |
| Power Planet,Steel Industry, etc. |
Main Feature:
This valve is widely applied to pipelines such as water supply and drainage, construction, oil, chemical industry, natural gas, medicine, power plant, nuclear power plant and urban pollution discharge etc for purpose of adjusting or cutting the flow contains various medium, such as thick granule, sticky liquid and floating contamination ect.
Technical Data:
| Nominal Diameter DN(mm): | 50(2’’)~1200(48’’) |
| Nominal Pressure PN(MPa): | 0.6~1.6 (class150) |
| Testing Pressure Shell PN(MPa): | 1.5~2.4 |
| Testing Pressure Sealing PN(MPa): | 1.1~1.76 |
| Seal type | hard / soft (EPDM,NBR and polyurethane) |
| Leakage: hard seal: | Level D(liquid 0.1xDNmm);soft seal: Level A (zero leakage) |
Material could be:
| Part | Material |
| Body | CI |
| Seal Ring | NBR |
| Knife | Stainless steel 304 |
| Packing | PTFE |
| Yoke | A3 |
| Gland | WCB , ZL103 |
| Stem Nut | Brass |
| Stem | 316 |
| Bearing | ZChSnSb10-6 |
| Standard Element | Stainless steel 201 , 304 |
Application:
Gold mine power,ore tailing,paper or wood pilp,fibers,dust,chemical treatment sewage,sedimentation tanks,ores,slag, asphalt,bin outlets,fruit,grain,grout,waste water from slaughterhouse,pneumatic transportation pipelines or beer brewage media. water supply and draininage or deslagging of power plants(applicable for high temperature≤540°c and superhigh temputerature ≤ 900°c.
Product charateristics:
It's characterized by its compact design,being space-effective,low price,easy installation, complete protection from abrasion and seizure,user-friendly maintenance and operation,long service life and free actuator options.
BODY:
· Cast-in guide claws at the port bottom for gate fixture, instead of a groove, eliminates potential valve shutoff clogging while providing tighter seal. The guide claws also push gate to seat for tight seal in closed position.
· Integral body design ensures easy assembly and 0 shell leakage.
· Full port design minimizes pressure drop and maximize flow capacity.
· PTFE resilient points against gate eliminate metal-metal contact between gate and bo dy.
SEAT:
· Side-entry seat is replaceable, reducing the cost of maintenance.
· L-shape seat retainer locks seat into valve body and covers seat side to prevent direct flow flushing.
GATE:
· Beveled knife edge provides strong cutting stress and tight sealing.
· Gate thickness can be increased to meet higher pressure.
· Gate surface is well polished at both sides for tight seal and less jamming.
· Gate is hard chrome coated for metal sealing valve.
STEM:
· Stem cover is available to ensure long service life for stem.
· Two thrust bearings minimizes torque for operation.
· Grease nipple is available to ease bearing lubrication.
Packaging & Shipping
Packing:plywood cases or according to the customers' requirements
Contact Person: Ms. TOBO
Tel: 021-31262012
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