Design and manufacture: API6D;

Face to face: ASME B16.10;

Flange ends dimension: ASME B16.5;

Test and inspection: API598;

Material: WCB, WC6, WC9, CF8, CF8M, CF3, CF3, CD3MN;

Pressure ratings: 150LB, 300LB, 600LB, 900LB, 1500LB;

Other requirements shall be on request;