- Model NO.: wafer duo plate check valve
- Connection Form: Wafer
- Pressure: Ordinary Pressure
- Sealing Form: Metal or Soft Seat
- Standard: ANSI
- Type: Wafer Swing Check Valve
- Size: 1-1/2" to 60"
- Disc Type: Double Disc or Single Disc
- Body Type: Wafer Type,Lugged Type,Flanged Type
- Trademark: front
- Origin: China
- Material: Cast Steel and Cast Iron
- Structure: Swing
- Function: Non Return
- Flow Direction: Unidirection
- Application: Industrial Usage, Water Industrial Usage
- Body Material: Cast Steel or Cast Iron
- Pressure for Cast Steel Valves: 150lb to 2500lb
- Pressure for Cast Iron Valves: Pn16/150lb
- Seat: Rubber Seat and Metal Seat
- Specification: ce
- HS Code: 84813000
Standard compliance
1) Design and manufacture: API6D, API594
2) Test and inspection: API598
3) Face to face dimensions: API594
4) Install between flanges: ANSI B16.5, B16.47 SERIES A & SERIES B, JIS, BS, DIN
Specifications:
1) Size: 1-1/2" to 60"
2) Class: 150LB to 2500LB
3) Type: Double plate or single plate, wafer type, lugged type, flanged type. Metal seat or soft seat.
4) Material: CARBON STEEL,STAINLESS STEEL, ALLOY STEEL, AL-BRONZE, CAST IRON etc. such as WCB, WCC, WC6, WC9,C59400,C59800,C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, MONEL, ALLOY 20, cast iron/ductile iron
Â

Standard materials of parts
No. | Part Name | Material |
1 | Body | Grey iron, Ductile iron, Cast steel, Stainless steel |
2 | Disc | Ductile iron, Aluminum bronze, Stainless steel |
3 | Spring | Stainless steel |
4 | Hinge Pin | Stainless steel |
5 | Stop Pin | Stainless steel |
6 | Plug | Steel |
7 | Body Bearing | PTFE |
8 | Spring Bearing | PTFE |
9 | Eye Bolt | Steel |
10 | Body Seat | EPDM, Neoprene and NBR etc. |
Size | φA | φE | B | GR | F | WT KGS |
|
mm | inch | ||||||
50 | 2" | 102 | 65 | 43 | 28.8 | 19 | 1.5 |
65 | 2.1/2" | 121 | 80 | 46 | 36.1 | 20 | 2.4 |
80 | 3" | 134 | 94 | 64 | 43.4 | 28 | 3.6 |
100 | 4" | 171 | 117 | 64 | 52.8 | 27 | 5.7 |
125 | 5" | 193 | 145 | 70 | 65.7 | 30 | 7.3 |
150 | 6" | 219 | 170 | 76 | 78.6 | 31 | 9.0 |
200 | 8" | 276 | 224 | 89 | 104.4 | 33 | 17 |
250 | 10" | 336 | 265 | 114 | 127 | 50 | 26 |
300 | 12" | 406 | 310 | 114 | 148.3 | 43 | 42 |
350 | 14" | 448 | 360 | 127 | 172.4 | 45 | 55 |
400 | 16" | 489 | 410 | 140 | 197.4 | 52 | 75 |
450 | 18" | 511 | 450 | 152 | 217.8 | 58 | 101 |
500 | 20" | 546 | 505 | 152 | 241 | 58 | 111 |
600 | 24" | 603 | 624 | 178 | 295.4 | 73 | 172 |
Â
 Flat Top Tower Crane, also known as Topless Tower Crane, has the advantages of quick and easy assembly. Usually many Flat Top cranes have been used on construction projects or near airports where overhead clearance is frequently a concern. BQ models of flat top tower crane are 8T Flat Top Tower Crane GHP5517-8 and GHP6016-8; 10T Flat Top Tower Crane GHP6016-10, GHP6518-10 and GHP 6520-10;12T Flat Top Tower Crane GHP6520-12 and GHP7524-12; 16T Flat Top Tower Crane GHP7524-16,ect.
Flat Top Crane,FlatTop Tower Crane,Flat Top Type Tower Crane,10T Flat Top Tower Crane,Flat Top Tower Crane Advantages
SHEN YANG BAOQUAN BUSINESS CO., LTD , https://www.sytopkittowercrane.com