1) Standard Product Inspection
Applicable for BKL
butt-welding fittings produced under ASME B16.9
and other specifications
Butt-welding fittings are visually inspected to
confirm that both internal and external surfaces
are smooth and without harmful defects. THAI BENKAN
CO.,LTD. “acceptable surface condition” standard
is used as the standard for visual tests.
Butt-welding fittings are inspected for conformity
with ASME or MSS and JIS dimensional tolerances
2) Special Product Inspection
Applicable for every products
manufactured to meet specifications requested
Butt-welding fittings are visually inspected.
Criteria are based on those of the standard product.
Special specifications are determined by agreement
between the customer and THAI BENKAN CO.,LTD.
The inspection is usually based on specifications
stipulated by the customer.
In the case of special requirements specified
by the customer, nondestructive examinations and
mechanical tests are performed.