Product description
The Mark 78 Series is designed for accurate performance and simplified maintenance. This versatile product can be used on a variety of applications including viscous/corrosive liquids, process gases or steam in process or utility service. The top entry cage design allows maintenance while the valve is in the line. Characterized flow options including linear, equal percentage, quick opening or an equal-linear combination.
Regelventil MK708G
Size
- 1/2" through 2" (DN15 through DN50)
End Connections
- Threaded – NPT, BSPT, BSPP
- ANSI Flanges – 150#, 300#
- DIN Flanges – PN 10/16, PN25/40
- Companion Flanges – PN10/16, PN25/40
- Integral Flanges – ANSI 150#, 300#
Body Material
- Bronze
- Carbon Steel
- Stainless Steel
Trim Material
- 316 Stainless Steel
Seat Materials
- Teflon/Stainless Steel
- Metal
O-Ring/Gasket
- Viton, EPDM
Actuators
- Sizes: 35M, 55M, 85M
- Signal Range: 3-15 psi (0,2-1,0 bar) standard
- Maximum Actuator Pressure: 45 psi (3,1 bar)
- Available with side or top mounted positioners
Flow Characteristics
- Equal Percentage
- Linear
- Quick Opening
- Equal-linear combination
Rangeability
- Equal percentage or equal-linear: 60:1
- Linear: 30:1
Features and Benefits
- Top entry cage design allows easy in-line maintenance
- Optional shift seats enable ANSI Class VI shutoff
- Characterized flow options including linear, equal percentage, quick-opening or an equal-linear combination
- High capacity service – Cv’s up to 60 (Kv’s up to 51,6) in 2″ (DN50) valves
- Lift out seats from easy access and quick maintenance
- Versatile use
