ProductPRODUCTS 
Wafer Type Pinless Non-backed Seat KF-2200
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Product Feature
Centerline structure, pinless double half shaft design.
Disc has twoway bearing, no installation direction requirements.
End flange can meet different connection standards at the same time.
Nonbacked replaceable seat with good performance and a longer working life.
Square and short neck for lable use and cost saving.
Easy installation, no need flange gasket.
Technical Parameters
Nominal diameter(mm) | 50～300 | 50～300 | ||
Nominal pressure(Mpa) | 1.0 | 1.6 | ||
Testing pressure | Shell(Mpa) | 1.5 | 2.4 | |
Seal(Mpa) | 1.1 | 1.76 | ||
Suitable temperature | -40°C～200°C | |||
Suitable medium | Drinking water、sewage、seawater、food、medicines、gas、oil and acid | |||
Main Raw Material
Body | Disc | Stem | Seat | Actuator |
Cast iron | Plated ductile iron | Stainless steel | EPDM/NBR | lever |
Ductile iron | CF8 | WRAS-EPDM | gearbox and handwheel | |
Carbon steel | CF8M | Viton | Electric | |
Stainless steel | Aluminum bronze | customised | Silicon | Pneumatic |
PS：1. Replaceable seat 2. Pinless disc | ||||
Reference Standard
Design standard | API 609 | |||
Testing standard | API 598 | |||
Top flange standard | ISO5211 | |||
End flange standard | DIN PN10 / PN16、ANSI 125# / 150#、BS4504 PN10 / PN16、JIS B2220 10K | |||
Face to face standard | API 609、EN558-1 20 Series、BS5155、DIN3202 K1 | |||
Overall Dimension and Weight
Size | A | B | D | Top Flange | ΦE | Weight（kg) |
DN65 | 202 | 133 | 46 | F05 | 65 | 2.41 |
DN80 | 238 | 152 | 46 | F05 | 65 | 2.84 |
DN100 | 276 | 170 | 52 | F07 | 90 | 4.55 |
DN125 | 296 | 181 | 56 | F07 | 90 | 6.49 |
DN150 | 324 | 196 | 56 | F07 | 90 | 7.43 |
DN200 | 398 | 238 | 60 | F10 | 125 | 12.90 |
DN250 | 456 | 258 | 68 | F10 | 125 | 20.68 |
DN300 | 535 | 300 | 78 | F10 | 125 | 30.00 |
