Stainless Steel
Low Pressure Compression Unions
from Maryland Metrics

Stainless steel low pressure compression unions


- Industrial cold and hot water

- Industrial and other gasses

- Liquid chemicals

- Pharmaceutical liquids

- Etc.


For different applications there are EPDM and VITON sealing rings available.


A few advantages of the low pressure stainless steel compression unions:

- Easy to connect - no need for threading, welding or brasing

- Suitable for thin walled-tubes - so, lower costs and less weight

- Excellent connection possibilities with stainless steel BSP threaded fittings and BSP threaded valves


A few characteristics of the low pressure stainless steel compression unions:

- Strength of the connection, subject to the proper use of brackets with the tubes, 6 - 10 bar.

- Temperature range -25 C upto + 120 C, depending on the used sealing ring.


Low pressure compression union

tube x tube connection

Low pressure compression union tube x male BSP thread connection




Thin-Walled welded stainless steel tubes

Note: many of these products are not normally stocked in the USA,
so please allow sufficient lead time for delivery.
Key to material specifications:
4301 = werknorme 1.4301 ~ AISI 304      4306 = werknorme 1.4306 ~ AISI 304L
4401 = werknorme 1.4401 ~ AISI 316      4404 = werknorme 1.4404 ~ AISI 316L
4571 = werknorme 1.4571 ~ AISI 316ti

Delivery code definitions: 'x' = *available item; 'e', 'x', 'o', 'xe', 'A' and 'u' = *on request item.
*Please inquire for price & lead time.
Specifications are presented in a multilingual format based on our suppliers data.

Phones: (800) 638-1830 or (410) 358-3130 are available Monday-Friday 8:30 AM to 5:30 PM Eastern time.
Faxes: (800) 872-9329 or (410) 358-3142 & E-mail are available anytime.
Warehouse & showroom hours are Monday-Friday 10 AM to 5:30 PM.
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