Product Description：

1.Stud-Hole Protectors

Stud-hole flange protectors, also known as bolt-hole flange protectors or flange bolt protectors, are designed to cover the exposed stud holes and bolt holes in flanged pipe connections. These protectors help prevent the ingress of dirt, moisture, and other contaminants, as well as protect the bolt holes and threads from damage during storage, shipping, or installation.

 Stud-Hole Protectors are covered the raised face portion of the flange,It is easy installation

Flange Protectors: 150# Series for Flange Sizes 1/2″ – 24″ 150#
Flange Protectors: 300# Series for Flange Sizes 1/2″ – 24″ 300#
Flange Protectors: 600# Series for Flange Sizes 1/2″ – 18″ 600#

Flange Protectors: 900# Series for Flange Sizes 1/2″ – 16″ 900#

Flange Protectors: 1500# Series for Flange Sizes 1/2″ – 12″ 1500#

Flange Protectors: 2500# Series for Flange Sizes 1/2″ – 6″ 2500#

2.SAE  Bolted Flange Protector

The blue bolted flange protector is used on SAE J518 code 61 3000-PSI and 6000PSI  flange

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