Ductile Iron Diaphragm Valves
from Armstrong International
The GD-200/200H valves offer high capacity and highly accurate control, with a large, cupped diaphragm for a long stroke. Compact and rugged, the GD-200 ’s composition valve and bronze metal seat mean high performance over a longer service life. Well suited to non-viscous liquid pressure... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 150.00
- Valve Size: 2.00 to 6.00
- Media Temperature: ? to 175
from Ames Fire & Waterworks
Models 605GD (Globe) and 605AD (Angle) are Ductile Iron, reduced port, single chamber basic valves that incorporate a one-piece disc and diaphragm assembly. This assembly is the only moving part within the valve allowing it to open, close, or modulate as commanded by the pilot control system. The... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 400.00
- Valve Size: 3.00 to 24.00
- Media Temperature: 33 to 300
from Gemu Valves
Type. Type 657 manual straightway - high flow, Ductile iron handle and bonnet. Nominal Size. 1 1/2". 1". 2 1/2". 2". 3". 4". 6". 8". Connection. 125# Flat Face Flange. 150# Flat Face Flange. Valve Body Material. Cast Iron - ASTM A-126 Class B Body. Ductile Iron with Butyl Lined Body. Ductile Iron... [See More]
- Primary Material: Ductile Iron
- Media: Air; Compressed Air; Gas; Natural Gas; Sour Gas; Corrosive, Inert, Gaseous & Liquid Media
- Valve Size: 1.00 to 8.00
- Connection Description: BoltFlange
from Alfa Laval Inc.
The Unique Diaphragm Valve UltraPure meets the requirements of most sterile and ultra-hygienic processes. These compact, lightweight valves are modular in design, which enables a wide range of purpose-built configurations. Superior hygienic design. Alfa Laval diaphragm valves is the natural choice... [See More]
- Primary Material: Cast Iron; Ductile Iron
- Maximum Pressure: 0.00 to 145.00
- Valve Size: 0.25 to 3.00
- Media Temperature: -40 to 347
from Armstrong International
The GD-2000K is an ideal choice when set-point changes are frequent, access to the valve is difficult and steam quality is poor. The GD-2000K comes with either NPT or flanged connections for quick, easy installation. It also comes with a durable ductile iron body and features double stainless steel... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 4.00
- Media Temperature: ? to 450
from Ames Fire & Waterworks
Models 600GD (Globe) and 600AD (Angle) are Ductile Iron, reduced port, dual chamber basic valves that incorporate a one-piece disc and diaphragm assembly. When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm chamber, the valve travels to a closed position. [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 400.00
- Valve Size: 3.00 to 24.00
- Media Temperature: 33 to 300
from Armstrong International
The GP-1000 Series valves are pilot-controlled for accurate regulation of pressure under widely ranging flow. The internal-pilot design eliminates external components and piping. Internally piloted GP Series valves are capable of larger capacity and greater accuracy than direct-acting valves. [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 15.00 to 250.00
- Valve Size: 0.50 to 2.00
- Media Temperature: ? to 450
from Ames Fire & Waterworks
Models 900GD (Globe) and 900AD (Angle) are Ductile Iron, full port, dual chamber basic valves that incorporate a one-piece disc and diaphragm assembly. When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm chamber, the valve travels to a closed position. When... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 400.00
- Valve Size: 2.00 to 16.00
- Media Temperature: 33 to 300
from Armstrong International
The GP-2000 is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability and high Cv, the... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 6.00
- Media Temperature: ? to 450
from Ames Fire & Waterworks
Models 600GD-16 (Globe) and 600AD-16 (Angle) are Ductile Iron, reduced port, dual chamber basic valves that incorporate a two-piece telescoping disc and diaphragm assembly. When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm chamber, the valve travels to a... [See More]
- Primary Material: Ductile Iron
- Maximum Pressure: 400.00
- Valve Size: 3.00 to 12.00
- Media Temperature: 33 to 300