SPT-E/SPT-P/SPT-M

Category: STANDARD PENETRATION TEST

The Auto matic Trip Hammer is manufactured for complying with the Standard Penetration Test (SPT) to BS1377:Part9:1990. SPT Drive Rods and a Split Tube Sampler are connected to base of the anvil, and driven into the ground by the falling weight. The Automatic Trip Hammer comprises a weight of 63.5kg complete with pick-up and selftripping mechanism that ensures that the weighthas a free-fall of exactly 760mm.

The inner shaft acts as a guide that permits the weight to drop with minimal resistance and ensures that the weight strikes the anvil squarely. The SPT drive rods thread usually be processed with a 1.1/2" B.S. whitworth to fit our standard SPT rods.Adaptors to other types of drill rod can be supplied on request. The overall length of the hammer is 2.6m extended and 1.8m when unextended.The total weight of the hammer is 107kg.

There are three models for selection as follows:

SPT-E: Motor hoisting machine driven

SPT-P: Petro engine driven

SPT-M: Manual driven

SAMPLER ASSEMBLY - CONSIST OF:

SPT-S1 Split-Barrel Sampler, Hardened machined steel, 1 3/8" id., 18" length (ASTM); Split-Barrel Sampler, Hardened machined steel, Φ35±1 mm id., 18" length (BS)

SPT-S2 SPT Adapter

SPT-S3 SPT Steel Catcher

SPT-S4 STP Plastic Catcher

SPT-S5 SPT Cutting Shoe

SPT-S6 SPT Nose Cone

SPT-S7 Sampling Rod, set of 6 Steel pipe, 1.0 meter length

DRIVE WEIGHT ASSEMBLY - CONSIST OF:

SPT-D1 Hammer, steel, 63.5 kg weight

SPT-D2 Anvil, Machined steel

SPT-D3 Guide Rod, Steel, 76.2 cm drop height

ACCESSORIES AND SPARE PARTS: SPT Tripod Assembly-consist of:

SPT-T1 Tripod stand, steel pipe