ASME B16.1:1998 pdf free download

ASME B16.1:1998 pdf free download.CAST lRON PIPE FLANGES AND FLANGED FITTINGS.
7 BOLT. NUT. AND GASKET DIMENSIONS
7.1 Bolting
Carbon steel bolts smaller than 0.75 in. shall have (ASME B18.2.l) square heads or (ASME 818.2.1) heavy hex heads, and shall have (ASME B 18.2.2) heavy hex nuts.
Carbon steel bolts 0.75 in. and larger shall have (ASME B18.2.l) square heads or (ASME Bl8.2.1) hex heads and shall have (ASME B18.2.2) hex nuts or (ASME Bl8.2.2) heavy hex nuts or (ASME B18.2.2) square nuts. For bolt sizes 1.5 in. and largcr. stud bolts with a nut on each end are recommended.
All bolts or (stud bolts) and all nuts shall be threaded in accordance with the Unified Screw Threads, standard coarse thread series (ASMLi Bl.l) with Class 2A for bolts and Class 2B for nuts.
7.2 Gaskets
Flat ring gaskets shall be in accordance with dimensions given in ASME Bl6.2l for nonmetallic gaskets for pipe flanges.
8 HYDROSTATiC TESTS
Tests arc not required unless specified by the user.
(a) Fittings. Fittings shall be capable of withstanding, without showing leaks, the hydrostatic lest pressures listed in Table 1 for the material and maximum working pressure of the item tested. These lest pressures are 1.5 times the cold working pressure rate rounded to the next higher 10 psi in Table 1.
(b) Flanges. Flanges integral with or attached to equipment may be hydrostatically tested by the purchaser at his responsibility at pressures higher than specified herein.
9 CERTIFICATIONS
The manufacturer shall be able to certify that products are in conformance with the requirements of this Standard when required on the purchase order.