Graylock Equipment Ltd

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Contact our engineering or sales teams for pricing, technical support, or to discuss your specific project requirements.

FAQs

Find quick information on lead times, factory testing, and routine maintenance for our valve ranges.

What's the difference between a weld end and a flanged expansion joint?

Weld end joints connect directly into the pipeline through welding, offering a leak-tight, economical connection. Flanged joints (floating or fixed) bolt onto existing pipe flanges, allowing faster installation and easier replacement without cutting into the line.

Yes. Bellows material, ply thickness, convolution count, and connection type are all configured based on your design pressure, temperature, and movement requirements. Our technical team reviews these specs before manufacturing.

Yes. Our type-approved range is certified to major marine classification standards, covering fresh water, steam, fuel oil, and exhaust gas systems on commercial and naval vessels.