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ASME/ASTM Butt Weld Fittings
We have a full stock range of butt weld 90-degree elbows & 45-degree elbows, straight and reducing tees, concentric and eccentric reducers and caps dimensionally in accordance with ASME B 16.9. While our inventory range is tailored towards large diameter, heavy wall approved brand fittings, we pride ourselves in stocking a wide range of schedules and reductions from 15NB (1/2”) all the way to 600NB (24”). Our product range in ASTM A234-WPB & ASTM A420-WPL6 is sourced from our approved brand partners all over the globe.
Lomond also carry a select range of Chrome Moly BW fittings in A234-WP5, WP11 and WP22 for elevated temperature applications.
High Pressure Fittings
In addition to our range of O’let fittings and Swages, Lomond Engineering has local stock of 3000# and 6000# Socket Weld (SW) or threaded NPT and BSPT fittings in A350-LF2, A105-N, A182-F316/L and A182-F304/L to complement our other products.
Fittings Standards
- A420-WPL6
- A420-WPL3
- ASTM A234-WPB
- ASTM A234-WP5
- ASTM A234-WP11
- ASTM A234-WP22
- ASTM A403-WP316L/316L
- ASTM A403-WP304L/304L
- ASTM A105-N
- ASTM A350-LF2
- ASTM A182-F316/316L
- ASTM A182-F304/304L
- ASME B16.9/B16.28
- NACE MR0175/MR0103
ASME/ASTM Butt Weld Fittings
We have a full stock range of butt weld 90-degree elbows & 45-degree elbows, straight and reducing tees, concentric and eccentric reducers and caps dimensionally in accordance with ASME B 16.9. While our inventory range is tailored towards large diameter, heavy wall approved brand fittings, we pride ourselves in stocking a wide range of schedules and reductions from 15NB (1/2”) all the way to 600NB (24”). Our product range in ASTM A234-WPB & ASTM A420-WPL6 is sourced from our approved brand partners all over the globe.
Lomond also carry a select range of Chrome Moly BW fittings in A234-WP5, WP11 and WP22 for elevated temperature applications.
High Pressure Fittings
In addition to our range of O’let fittings and Swages, Lomond Engineering has local stock of 3000# and 6000# Socket Weld (SW) or threaded NPT and BSPT fittings in A350-LF2, A105-N, A182-F316/L and A182-F304/L to complement our other products.
Fittings Standards
- A420-WPL6
- A420-WPL3
- ASTM A234-WPB
- ASTM A234-WP5
- ASTM A234-WP11
- ASTM A234-WP22
- ASTM A403-WP316L/316L
- ASTM A403-WP304L/304L
- ASTM A105-N
- ASTM A350-LF2
- ASTM A182-F316/316L
- ASTM A182-F304/304L
- ASME B16.9/B16.28
- NACE MR0175/MR0103
ASME/ASTM Butt Weld Fittings
We have a full stock range of butt weld 90-degree elbows & 45-degree elbows, straight and reducing tees, concentric and eccentric reducers and caps dimensionally in accordance with ASME B 16.9. While our inventory range is tailored towards large diameter, heavy wall approved brand fittings, we pride ourselves in stocking a wide range of schedules and reductions from 15NB (1/2”) all the way to 600NB (24”). Our product range in ASTM A234-WPB & ASTM A420-WPL6 is sourced from our approved brand partners all over the globe.
Lomond also carry a select range of Chrome Moly BW fittings in A234-WP5, WP11 and WP22 for elevated temperature applications.
High Pressure Fittings
In addition to our range of O’let fittings and Swages, Lomond Engineering has local stock of 3000# and 6000# Socket Weld (SW) or threaded NPT and BSPT fittings in A350-LF2, A105-N, A182-F316/L and A182-F304/L to complement our other products.
Fittings Standards
- A420-WPL6
- A420-WPL3
- ASTM A234-WPB
- ASTM A234-WP5
- ASTM A234-WP11
- ASTM A234-WP22
- ASTM A403-WP316L/316L
- ASTM A403-WP304L/304L
- ASTM A105-N
- ASTM A350-LF2
- ASTM A182-F316/316L
- ASTM A182-F304/304L
- ASME B16.9/B16.28
- NACE MR0175/MR0103

ASME/ASTM Butt Weld Fittings
We have a full stock range of butt weld 90-degree elbows & 45-degree elbows, straight and reducing tees, concentric and eccentric reducers and caps dimensionally in accordance with ASME B 16.9. While our inventory range is tailored towards large diameter, heavy wall approved brand fittings, we pride ourselves in stocking a wide range of schedules and reductions from 15NB (1/2”) all the way to 600NB (24”). Our product range in ASTM A234-WPB & ASTM A420-WPL6 is sourced from our approved brand partners all over the globe.
Lomond also carry a select range of Chrome Moly BW fittings in A234-WP5, WP11 and WP22 for elevated temperature applications.
High Pressure Fittings
In addition to our range of O’let fittings and Swages, Lomond Engineering has local stock of 3000# and 6000# Socket Weld (SW) or threaded NPT and BSPT fittings in A350-LF2, A105-N, A182-F316/L and A182-F304/L to complement our other products.
Fittings Standards
- A420-WPL6
- A420-WPL3
- ASTM A234-WPB
- ASTM A234-WP5
- ASTM A234-WP11
- ASTM A234-WP22
- ASTM A403-WP316L/316L
- ASTM A403-WP304L/304L
- ASTM A105-N
- ASTM A350-LF2
- ASTM A182-F316/316L
- ASTM A182-F304/304L
- ASME B16.9/B16.28
- NACE MR0175/MR0103
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