
GJM-300 by Kuriyama | GJM Series | Ground Joint Coupling | 3" Male NPT x 3" Hose Barb | Plated Ductile Iron
Kuriyama of America Inc.
GJM Series | Ground Joint Coupling | Plated Ductile Iron
Designed for use in medium to high-pressure applications using steam, air, and fluids.
| Buy More, Save More! | |
| Quantity | Price Each |
| 10–39 | $61.33 |
| 40–79 | $55.45 |
| 80+ | $48.93 |
Discounts applied in cart/checkout.
What are the Features?
- Designed for use in medium to high-pressure applications using steam, air, and fluids.
- The metal-to-metal design provides for optimum sealing at high temperatures.
- Used in conjunction with interlocking bolt clamps.
- Couplings with hose barbs come with an interlocking collar to connect with the interlocking bolt clamps.
What are the Materials?
- Ductile iron plated.
- ASTM A536, Grade 65/45/12.
What are the Specifications?
- Maximum Service Temperature: +450°F (+232°C)
| Part Number | Size (in) |
Water (PSI) |
Steam (PSI) |
Air (PSI) |
Weight Each (lbs) |
|---|---|---|---|---|---|
| GJM-050 | 1/2" | 600 PSI | 250 PSI | 600 PSI | 0.17 lbs |
| GJM-075 | 3/4" | 600 PSI | 250 PSI | 600 PSI | 0.33 lbs |
| GJM-100 | 1" | 600 PSI | 250 PSI | 400 PSI | 0.55 lbs |
| GJM-125 | 1-1/4" | 600 PSI | 250 PSI | 400 PSI | 1.28 lbs |
| GJM-150 | 1-1/2" | 600 PSI | 250 PSI | 350 PSI | 1.79 lbs |
| GJM-200 | 2" | 600 PSI | 250 PSI | 300 PSI | 2.65 lbs |
| GJM-250 | 2-1/2" | 450 PSI | 250 PSI | 300 PSI | 4.83 lbs |
| GJM-300 | 3" | 450 PSI | 250 PSI | 300 PSI | 6.26 lbs |
| GJM-400 | 4" | 450 PSI | 250 PSI | 300 PSI | 11.40 lbs |
Product Data:
Series:
MAWP:
450
Shape:
Straight
Ends Configuration:
Material(s):
Specifications and Approvals:

