KRACHT SPV 10 L1G 1 A 12 Pressure Relief Valve

Overview

KRACHT SPV 10 L1G 1 A 12 is a factory-configured, directly controlled slide-type pressure relief valve from KRACHT GmbH of Germany, built on the compact size-10 body of the SPV/SPVF valve family and finished at the factory to a fixed set pressure of 9.5 bar. Where the wider SPV/SPVF range spans multiple sizes, pressure settings, and connection styles, the L1G-1-A-12 designation identifies one specific, ready-to-install configuration — a 3/4 in male NPT inlet paired with a 1 in female NPT outlet — making it a drop-in replacement for engineers who need to match an existing pipeline spec exactly rather than select and calibrate a general-purpose valve on-site.

Backed by genuine manufacturer documentation, Seven Star LLC proudly supplies the KRACHT SPV 10 L1G 1 A 12 pressure relief valve to industrial, marine, and process customers across the Sultanate of Oman and the wider GCC. Facility engineers and procurement teams in Muscat, Sohar, and Salalah rely on Seven Star LLC not only for genuine German-manufactured KRACHT hardware but for confirmation that a specific factory part number — NPT thread size, set pressure, and body casting — matches the exact valve being replaced on a lubrication or low-pressure hydraulic circuit.

Operating Principle

The KRACHT SPV 10 L1G 1 A 12 operates on the same direct-acting slide principle shared across the SPV/SPVF family: system pressure entering through the 3/4 in male NPT port acts on the end face of a precision-ground sliding spool held closed by a calibrated spring pre-set at the factory to open at 9.5 bar. As inlet pressure reaches this set point, the spool lifts and slides within its close-tolerance bore, opening a metering edge that allows fluid to bypass through the 1 in female NPT outlet to tank or to a downstream return line. Because the spool travels axially rather than rotating or tilting on a seat, the valve holds stable sealing below its set pressure and resists the chatter that can affect ball- or poppet-type reliefs under pulsating flow from gear pumps and reciprocating equipment.

Because the sliding element carries the entire flow path internally, the valve needs no external pilot line and reacts directly to line pressure at its point of installation, with response time governed by spool mass and spring rate rather than a separate pilot stage. At a 9.5 bar set pressure, this configuration is calibrated for lower-pressure lubrication, case-drain, and auxiliary circuits rather than high-pressure hydraulic power circuits, giving fast, repeatable opening on pressure spikes without the added complexity or leak paths of a pilot-operated design. In practical terms this means fewer nuisance trips, low maintenance overhead from spool wear, and a factory-verified set pressure that does not require field calibration at commissioning.

Engineering Design of the KRACHT SPV 10 L1G 1 A 12

The SPV 10 L1G 1 A 12 is housed in the same robust cast-iron valve body used across the KRACHT SPV size-10 range, finished in KRACHT’s signature blue coating with a protective black spring-chamber dome. The L1G-1-A-12 variant is machined and threaded specifically for NPT pipeline connection — a 3/4 in male NPT inlet and a 1 in female NPT outlet — rather than the SAE-flange or Whitworth (BSP) options offered elsewhere in the family, allowing it to be threaded directly into existing NPT pipework common on North American and many GCC-specified hydraulic and lubrication skids without adapter fittings. A nameplate on the valve body carries the KRACHT model code, part number, and factory set-pressure data for full traceability.

Internally, the sliding spool and bore are manufactured to close dimensional tolerances from wear-resistant steel, with sealing achieved through FKM or NBR elastomers, copper, and soft-iron sealing washers as specified across the SPV size-10 range, and the spring chamber isolated from the wetted flow path. Overall unit weight for the size-10 body is approximately 0.9 kg, and the compact envelope — reported by multiple KRACHT distributors at roughly 40 mm across the body, around 575 mm in overall length with fittings, and 168 mm across the mounting face — allows the valve to be retrofitted into existing skids, manifolds, and machine bases where clearance around the pipeline run is limited.

Key Features

The KRACHT SPV 10 L1G 1 A 12 combines a factory-fixed 9.5 bar set pressure with the mechanical simplicity of a direct-acting slide design in a compact NPT-threaded package:

• The KRACHT SPV 10 L1G 1 A 12’s directly controlled slide-type construction eliminates the need for a separate pilot circuit, simplifying installation and reducing potential leak points.
• The KRACHT SPV 10 L1G 1 A 12’s factory-set 9.5 bar relief pressure removes the need for field calibration, giving a verified, repeatable trip point straight out of the box.
• On the KRACHT SPV 10 L1G 1 A 12, a 3/4 in male NPT inlet by 1 in female NPT outlet threads directly into existing NPT pipework without adapter fittings.
• The compact KRACHT SPV 10 L1G 1 A 12 size-10 body weighs roughly 0.9 kg, keeping installation load low on lubrication skids, manifolds, and auxiliary hydraulic loops.
• A precision-ground sliding spool and close-tolerance bore inside the KRACHT SPV 10 L1G 1 A 12 resist chatter under pulsating flow from gear pumps and reciprocating equipment.
• Wear-resistant steel spool and bore construction, with FKM/NBR sealing options, support continuous industrial and marine duty cycles for the KRACHT SPV 10 L1G 1 A 12.
• An isolated spring chamber on the KRACHT SPV 10 L1G 1 A 12 keeps set-pressure adjustment components separate from the wetted flow path for long-term reliability.
• The robust cast-iron body of the KRACHT SPV 10 L1G 1 A 12, finished in KRACHT’s corrosion-resistant blue coating, is built for demanding process, marine, and mobile hydraulic environments, a hallmark of every KRACHT SPV unit supplied by Seven Star LLC.

Industrial Applications

The KRACHT SPV 10 L1G 1 A 12 is specified where a low-pressure hydraulic or lubrication circuit needs overpressure protection at a precise, factory-verified 9.5 bar set point and an NPT-threaded connection to match existing pipework. In Oman’s oil and gas sector, low-pressure lubrication skids for compressors, pumps, and rotating equipment use this exact configuration to protect pump seals and bearings from overpressure on case-drain and auxiliary lubrication lines, where the fixed 9.5 bar setting matches the circuit’s design pressure without requiring on-site recalibration. Marine operators calling at Sohar and Salalah ports similarly specify this valve for engine lubrication and hydraulic auxiliary systems on NPT-threaded skids, where confirming the exact factory part number against the original equipment manufacturer’s drawing avoids a mismatched replacement.

Working closely with plant engineers in the region, Seven Star LLC distributes the SPV 10 L1G 1 A 12 to industrial fabricators, marine service yards, and process integrators throughout Muscat and the broader GCC, backing every unit with genuine manufacturer warranty and technical support. Facility engineers and procurement teams in the Sohar and Salalah economic zones sourcing a like-for-like replacement for a specific KRACHT part number can rely on Seven Star LLC’s applications team to confirm thread size, set pressure, and body casting against the original valve before an RFQ is issued.

Technical Specifications

Key technical parameters of the KRACHT SPV 10 L1G 1 A 12 pressure relief valve are summarized below; ranges not specific to this factory configuration reflect the verified SPV/SPVF size-10 family data where the exact figure for this precise combination is not separately published.

Call To Action

Seven Star LLC invites facility engineers, procurement teams, and OEM integrators across Oman and the GCC to submit a formal RFQ for the KRACHT SPV 10 L1G 1 A 12 pressure relief valve. Regional warehouse stock and expedited freight options are available for qualifying orders, and the full technical datasheet for the SPV/SPVF family can be downloaded directly from this product page for engineering review. For confirming this exact NPT thread configuration and 9.5 bar set pressure against an existing installation, or for questions about the broader KRACHT SPV/SPVF range, contact Seven Star LLC’s instrumentation and hydraulics division directly. With fast quotation turnaround and technical support, Seven Star LLC guarantees genuine German-manufactured hardware, full manufacturer warranty, and dedicated local technical support on every order.