TEKRON / TREKRE - BUYER ENQUIRY CHECKLIST Lock key switch anti-theft butterfly valve https://www.tekron.com.cn/en/butterfly-valve/1880.html This is an enquiry worksheet, NOT a technical datasheet, dimensional drawing, certificate or confirmation of supply. No pressure, temperature, size, material or performance limit is assigned by this worksheet. Leave unknown conditions blank. Provide units and identify gauge/absolute pressure where relevant. YOUR REFERENCE / COMPANY: CONTACT NAME / EMAIL: PROJECT / DESTINATION: QUANTITY: PRODUCT-SPECIFIC INPUTS LOCKING REQUIREMENT: State normal valve position, which positions or movements must be restricted, who may operate the valve and any site emergency-access procedure. Your information: KEY PLAN: Provide valve quantity, any requested common-key or individually keyed arrangement, spare-key quantity and key-identification needs. Availability must be confirmed; no keying system is promised here. Your information: SERVICE AND INTERFACE: Provide fluid, working temperature and pressure, maximum differential pressure, size, flange/facing details and replacement dimensions. Your information: ACCESS AND ACCEPTANCE: Check gearbox direction, key insertion space and position visibility. Agree how locking function and sealing performance will be checked separately; a key lock does not replace maintenance isolation. Your information: DOCUMENTS TO AGREE BEFORE SUPPLY [ ] Drawing identifying operator orientation and confirmed lockable positions [ ] Agreed key schedule and operating instructions [ ] Material schedule and separate lock-function and valve-test acceptance requirements Ask the supplier to confirm document availability, applicable scope and order-specific details. Unverified or unrelated certificates and drawings must not be substituted. SEND YOUR ENQUIRY Use the valve enquiry form on the product page, or email qiang@tekron.com.cn. Attach a drawing/nameplate photo when available. Do not send passwords or private identity documents.