Air Valves
Quick, uniform distribution of heat to all radiation is essential to one pipe steam performance. This requires balancing the radiation by controlled venting. All steam air valves are designed for positive action and straight-line venting. They function automatically to vent the air.
TAV-14
1/8” M, Key Valve Assembly (Ea. or 12 per box)
TAV-33P
1/4” M, Straight
TAV-700P
1/8” M, Straight, Hydronic Float Vent, 50 psi max.
TAV-35P
3/4” M x 1/2” F Straight
TAV-9P-Box
1/8” M, Coin Valve
(24 per 1 box)
TAV-75P
3/4” M x 1/2” F Straight
TAV-10P-Box
1/8” M, Key Valve
(24 w/4 keys per 1 box)
TAV-10-4P-Box
Key for #10 and #14
(48 per 1 box)
Downloads
Features
Tunstall steam air valves are made, assembled, tested and inspected in the U.S.
Each unit is individually packaged with external labeling for inventory convenience and maintenance.
Steam valves have brass internals with nickel plated and hand polished exterior.
Steam Vent Specifications ...
| NO. | USE FOR | CONNECTION | VENT PORT | OVERALL HEIGHT | MAC OPER. PRES. |
| 11P | Free Standing Radiators |
1/8″ MALE | 1/16″ | 2-3/4″ | 6 PSI |
| 33P | Convectors and Risers |
1/4″ MALE | 1/16″ | 3-3/4″ | 6 PSI |
| 35P | Main Vents | 3/4″ MALE x 1/2″ FEMALE |
3/32″ | 3-1/4″ | 3 PSI |
| 75P | Main Vents | 3/4″ MALE x 1/2″ FEMALE |
3/32″ | 4-5/8″ | 5 PSI |
Hot Water Vent Specifications ...
| NO. | USE FOR | CONNECTION | MAC OPER. PRES. |
| 9P | Radiators | 1/8″ MALE | 150 PSI |
| 10P | Radiators | 1/8″ MALE | 150 PSI |
| 700P | As Required | 1/8″ MALE | 50 PSI |
| 14 | As Required | 1/8″ MALE | 150 PSI |
Tunstall Replacement Guide ...
| Tunstall # | Dole # | Connection Size and Description | Steam (S) or Hot Water (HW) |
| 9P | 9 | 1/8″ M Coin Valve | HW |
| 10P | 10 | 1/8″ M Key Valve | HW |
| 10-4P | 10-4 | Key for #10 and #14 | HW |
| 11P | 1933 | 1/8″ M Angle | S |
| 33P | 1933 | 1/8″ M Straight | S |
| 35P | 1933 | 3/4″ M x 1/2″ F Straight | S |
| 75P | 2C | 3/4″ x 1/2″ Vent for Mains | S |
| 700P | 2000 | 1/8″ M Straight, Hydronic Float Vent | HW |
| 14A | 14A | 1/8″ M Coin Air Valve Assembly, 20″ x 3/16″ Tubing |
HW |
Tunstall Corporation is a family of brands from a family owned company
Founded in 1958, Tunstall Corporation is a recognized leader in the steam and hydronics industry. We operate in all facets of the industry, including design, engineering, manufacturing, sales and distribution. Tunstall is known for its industry expertise, quality products, resourcefulness and customer service. We combine our industry expertise with an entrepreneurial approach and professional management.
We are located in Chicopee, Massachusetts, where we maintain office, manufacturing and R & D space along with modern warehouse facilities. Tunstall Steam Traps, Steam Products, Macon Controls and Macon Balancing Products are distributed through an established network of representatives and distributors throughout North America.
We are members of the Association of Energy Engineers, the American Society of Heating and Refrigeration and Air-Conditioning Engineers (ASHRAE).
We are organized into five business units:
- Tunstall Steam Traps & Steam Products
- Macon Controls
- Macon Balancing
- Manufacturers’ Representation
- Energy Solutions